Home / 445,331.38-614,622.96-282,002.79

Finding the Fourth Proportional to 445,331.38, 614,622.96 and 282,002.79

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Solution

The fourth proportional to 445,331.38, 614,622.96 and 282,002.79 is: 389,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,331.38 : 614,622.96 = 282,002.79 : x
  2. Step 2: Convert to fraction form
    445,331.38/614,622.96 = 282,002.79/x
  3. Step 3: Cross multiply
    445,331.38x = 614,622.96 × 282,002.79
  4. Step 4: Simplify right side
    445,331.38x = 173,325,387,276.49
  5. Step 5: Solve for x
    x = 173,325,387,276.49/445,331.38
  6. Step 6: Final answer
    x = 389,205.43

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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.