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Finding the Fourth Proportional to 606,505.04, 908,262.48 and 381,306.80

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Solution

The fourth proportional to 606,505.04, 908,262.48 and 381,306.80 is: 571,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,505.04 : 908,262.48 = 381,306.80 : x
  2. Step 2: Convert to fraction form
    606,505.04/908,262.48 = 381,306.80/x
  3. Step 3: Cross multiply
    606,505.04x = 908,262.48 × 381,306.80
  4. Step 4: Simplify right side
    606,505.04x = 346,326,659,808.86
  5. Step 5: Solve for x
    x = 346,326,659,808.86/606,505.04
  6. Step 6: Final answer
    x = 571,020.25

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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.