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Finding the Fourth Proportional to 604,902.20, 907,353.30 and 392,325.80

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Solution

The fourth proportional to 604,902.20, 907,353.30 and 392,325.80 is: 588,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,902.20 : 907,353.30 = 392,325.80 : x
  2. Step 2: Convert to fraction form
    604,902.20/907,353.30 = 392,325.80/x
  3. Step 3: Cross multiply
    604,902.20x = 907,353.30 × 392,325.80
  4. Step 4: Simplify right side
    604,902.20x = 355,978,109,305.14
  5. Step 5: Solve for x
    x = 355,978,109,305.14/604,902.20
  6. Step 6: Final answer
    x = 588,488.70

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Similar ratio
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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.