Home / 736,528.80-1,016,066.40-478,387.52

Finding the Fourth Proportional to 736,528.80, 1,016,066.40 and 478,387.52

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Solution

The fourth proportional to 736,528.80, 1,016,066.40 and 478,387.52 is: 659,951.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,528.80 : 1,016,066.40 = 478,387.52 : x
  2. Step 2: Convert to fraction form
    736,528.80/1,016,066.40 = 478,387.52/x
  3. Step 3: Cross multiply
    736,528.80x = 1,016,066.40 × 478,387.52
  4. Step 4: Simplify right side
    736,528.80x = 486,073,485,251.33
  5. Step 5: Solve for x
    x = 486,073,485,251.33/736,528.80
  6. Step 6: Final answer
    x = 659,951.77

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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.