Home / 902,807.40-1,354,211.10-370,710.30

Finding the Fourth Proportional to 902,807.40, 1,354,211.10 and 370,710.30

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Solution

The fourth proportional to 902,807.40, 1,354,211.10 and 370,710.30 is: 556,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,807.40 : 1,354,211.10 = 370,710.30 : x
  2. Step 2: Convert to fraction form
    902,807.40/1,354,211.10 = 370,710.30/x
  3. Step 3: Cross multiply
    902,807.40x = 1,354,211.10 × 370,710.30
  4. Step 4: Simplify right side
    902,807.40x = 502,020,003,144.33
  5. Step 5: Solve for x
    x = 502,020,003,144.33/902,807.40
  6. Step 6: Final answer
    x = 556,065.45

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Double scale
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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.