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Finding the Fourth Proportional to 592,390.72, 817,166.88 and 363,059.08

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Solution

The fourth proportional to 592,390.72, 817,166.88 and 363,059.08 is: 500,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,390.72 : 817,166.88 = 363,059.08 : x
  2. Step 2: Convert to fraction form
    592,390.72/817,166.88 = 363,059.08/x
  3. Step 3: Cross multiply
    592,390.72x = 817,166.88 × 363,059.08
  4. Step 4: Simplify right side
    592,390.72x = 296,679,855,659.27
  5. Step 5: Solve for x
    x = 296,679,855,659.27/592,390.72
  6. Step 6: Final answer
    x = 500,817.87

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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.