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Finding the Fourth Proportional to 604,600.20, 906,900.30 and 205,691.40

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Solution

The fourth proportional to 604,600.20, 906,900.30 and 205,691.40 is: 308,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,600.20 : 906,900.30 = 205,691.40 : x
  2. Step 2: Convert to fraction form
    604,600.20/906,900.30 = 205,691.40/x
  3. Step 3: Cross multiply
    604,600.20x = 906,900.30 × 205,691.40
  4. Step 4: Simplify right side
    604,600.20x = 186,541,592,367.42
  5. Step 5: Solve for x
    x = 186,541,592,367.42/604,600.20
  6. Step 6: Final answer
    x = 308,537.10

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Similar ratio
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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.