Home / 766,293.35-1,057,517.63-426,761.60

Finding the Fourth Proportional to 766,293.35, 1,057,517.63 and 426,761.60

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Solution

The fourth proportional to 766,293.35, 1,057,517.63 and 426,761.60 is: 588,949.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,293.35 : 1,057,517.63 = 426,761.60 : x
  2. Step 2: Convert to fraction form
    766,293.35/1,057,517.63 = 426,761.60/x
  3. Step 3: Cross multiply
    766,293.35x = 1,057,517.63 × 426,761.60
  4. Step 4: Simplify right side
    766,293.35x = 451,307,915,807.01
  5. Step 5: Solve for x
    x = 451,307,915,807.01/766,293.35
  6. Step 6: Final answer
    x = 588,949.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.