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Finding the Fourth Proportional to 664,374.08, 995,634.65 and 502,134.93

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Solution

The fourth proportional to 664,374.08, 995,634.65 and 502,134.93 is: 752,502.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,374.08 : 995,634.65 = 502,134.93 : x
  2. Step 2: Convert to fraction form
    664,374.08/995,634.65 = 502,134.93/x
  3. Step 3: Cross multiply
    664,374.08x = 995,634.65 × 502,134.93
  4. Step 4: Simplify right side
    664,374.08x = 499,942,936,538.66
  5. Step 5: Solve for x
    x = 499,942,936,538.66/664,374.08
  6. Step 6: Final answer
    x = 752,502.17

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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.