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Finding the Fourth Proportional to 606,402.20, 907,853.70 and 588,906.20

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Solution

The fourth proportional to 606,402.20, 907,853.70 and 588,906.20 is: 881,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,402.20 : 907,853.70 = 588,906.20 : x
  2. Step 2: Convert to fraction form
    606,402.20/907,853.70 = 588,906.20/x
  3. Step 3: Cross multiply
    606,402.20x = 907,853.70 × 588,906.20
  4. Step 4: Simplify right side
    606,402.20x = 534,640,672,622.94
  5. Step 5: Solve for x
    x = 534,640,672,622.94/606,402.20
  6. Step 6: Final answer
    x = 881,660.18

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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.