Home / 775,239.28-1,069,805.28-431,073.52

Finding the Fourth Proportional to 775,239.28, 1,069,805.28 and 431,073.52

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Solution

The fourth proportional to 775,239.28, 1,069,805.28 and 431,073.52 is: 594,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,239.28 : 1,069,805.28 = 431,073.52 : x
  2. Step 2: Convert to fraction form
    775,239.28/1,069,805.28 = 431,073.52/x
  3. Step 3: Cross multiply
    775,239.28x = 1,069,805.28 × 431,073.52
  4. Step 4: Simplify right side
    775,239.28x = 461,164,727,764.19
  5. Step 5: Solve for x
    x = 461,164,727,764.19/775,239.28
  6. Step 6: Final answer
    x = 594,867.60

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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.