Home / 786,677.28-1,180,016.64-337,106.40

Finding the Fourth Proportional to 786,677.28, 1,180,016.64 and 337,106.40

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Solution

The fourth proportional to 786,677.28, 1,180,016.64 and 337,106.40 is: 505,659.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,677.28 : 1,180,016.64 = 337,106.40 : x
  2. Step 2: Convert to fraction form
    786,677.28/1,180,016.64 = 337,106.40/x
  3. Step 3: Cross multiply
    786,677.28x = 1,180,016.64 × 337,106.40
  4. Step 4: Simplify right side
    786,677.28x = 397,791,161,450.50
  5. Step 5: Solve for x
    x = 397,791,161,450.50/786,677.28
  6. Step 6: Final answer
    x = 505,659.91

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Half scale
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Double scale
Find fourth proportional to 786,678.28, 1,180,018.14 and 337,107.40
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.