Home / 765,535.28-1,055,343.60-538,476.08

Finding the Fourth Proportional to 765,535.28, 1,055,343.60 and 538,476.08

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Solution

The fourth proportional to 765,535.28, 1,055,343.60 and 538,476.08 is: 742,326.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,535.28 : 1,055,343.60 = 538,476.08 : x
  2. Step 2: Convert to fraction form
    765,535.28/1,055,343.60 = 538,476.08/x
  3. Step 3: Cross multiply
    765,535.28x = 1,055,343.60 × 538,476.08
  4. Step 4: Simplify right side
    765,535.28x = 568,277,284,781.09
  5. Step 5: Solve for x
    x = 568,277,284,781.09/765,535.28
  6. Step 6: Final answer
    x = 742,326.71

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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.