Home / 742,677.40-1,114,016.10-476,738.20

Finding the Fourth Proportional to 742,677.40, 1,114,016.10 and 476,738.20

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Solution

The fourth proportional to 742,677.40, 1,114,016.10 and 476,738.20 is: 715,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,677.40 : 1,114,016.10 = 476,738.20 : x
  2. Step 2: Convert to fraction form
    742,677.40/1,114,016.10 = 476,738.20/x
  3. Step 3: Cross multiply
    742,677.40x = 1,114,016.10 × 476,738.20
  4. Step 4: Simplify right side
    742,677.40x = 531,094,030,285.02
  5. Step 5: Solve for x
    x = 531,094,030,285.02/742,677.40
  6. Step 6: Final answer
    x = 715,107.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 742,678.40, 1,114,017.60 and 476,739.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.