Home / 775,565.28-1,070,344.72-431,466.03

Finding the Fourth Proportional to 775,565.28, 1,070,344.72 and 431,466.03

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Solution

The fourth proportional to 775,565.28, 1,070,344.72 and 431,466.03 is: 595,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,565.28 : 1,070,344.72 = 431,466.03 : x
  2. Step 2: Convert to fraction form
    775,565.28/1,070,344.72 = 431,466.03/x
  3. Step 3: Cross multiply
    775,565.28x = 1,070,344.72 × 431,466.03
  4. Step 4: Simplify right side
    775,565.28x = 461,817,387,069.86
  5. Step 5: Solve for x
    x = 461,817,387,069.86/775,565.28
  6. Step 6: Final answer
    x = 595,459.08

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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.