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Finding the Fourth Proportional to 435,071.40, 600,508.89 and 297,306.12

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Solution

The fourth proportional to 435,071.40, 600,508.89 and 297,306.12 is: 410,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,071.40 : 600,508.89 = 297,306.12 : x
  2. Step 2: Convert to fraction form
    435,071.40/600,508.89 = 297,306.12/x
  3. Step 3: Cross multiply
    435,071.40x = 600,508.89 × 297,306.12
  4. Step 4: Simplify right side
    435,071.40x = 178,534,970,363.32
  5. Step 5: Solve for x
    x = 178,534,970,363.32/435,071.40
  6. Step 6: Final answer
    x = 410,357.87

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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.