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Finding the Fourth Proportional to 608,781.97, 840,456.98 and 367,125.76

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Solution

The fourth proportional to 608,781.97, 840,456.98 and 367,125.76 is: 506,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,781.97 : 840,456.98 = 367,125.76 : x
  2. Step 2: Convert to fraction form
    608,781.97/840,456.98 = 367,125.76/x
  3. Step 3: Cross multiply
    608,781.97x = 840,456.98 × 367,125.76
  4. Step 4: Simplify right side
    608,781.97x = 308,553,407,529.81
  5. Step 5: Solve for x
    x = 308,553,407,529.81/608,781.97
  6. Step 6: Final answer
    x = 506,837.30

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1.5x scale

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.