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Finding the Fourth Proportional to 502,605.52, 693,600.96 and 273,162.80

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Solution

The fourth proportional to 502,605.52, 693,600.96 and 273,162.80 is: 376,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,605.52 : 693,600.96 = 273,162.80 : x
  2. Step 2: Convert to fraction form
    502,605.52/693,600.96 = 273,162.80/x
  3. Step 3: Cross multiply
    502,605.52x = 693,600.96 × 273,162.80
  4. Step 4: Simplify right side
    502,605.52x = 189,465,980,316.29
  5. Step 5: Solve for x
    x = 189,465,980,316.29/502,605.52
  6. Step 6: Final answer
    x = 376,967.57

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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.