Home / 741,772.69-1,023,646.31-402,241.21

Finding the Fourth Proportional to 741,772.69, 1,023,646.31 and 402,241.21

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Solution

The fourth proportional to 741,772.69, 1,023,646.31 and 402,241.21 is: 555,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,772.69 : 1,023,646.31 = 402,241.21 : x
  2. Step 2: Convert to fraction form
    741,772.69/1,023,646.31 = 402,241.21/x
  3. Step 3: Cross multiply
    741,772.69x = 1,023,646.31 × 402,241.21
  4. Step 4: Simplify right side
    741,772.69x = 411,752,727,284.52
  5. Step 5: Solve for x
    x = 411,752,727,284.52/741,772.69
  6. Step 6: Final answer
    x = 555,092.87

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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.