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Finding the Fourth Proportional to 438,651.38, 656,480.03 and 367,654.16

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Solution

The fourth proportional to 438,651.38, 656,480.03 and 367,654.16 is: 550,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,651.38 : 656,480.03 = 367,654.16 : x
  2. Step 2: Convert to fraction form
    438,651.38/656,480.03 = 367,654.16/x
  3. Step 3: Cross multiply
    438,651.38x = 656,480.03 × 367,654.16
  4. Step 4: Simplify right side
    438,651.38x = 241,357,613,789.35
  5. Step 5: Solve for x
    x = 241,357,613,789.35/438,651.38
  6. Step 6: Final answer
    x = 550,226.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.