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Finding the Fourth Proportional to 586,761.39, 880,142.10 and 320,376.59

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Solution

The fourth proportional to 586,761.39, 880,142.10 and 320,376.59 is: 480,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,761.39 : 880,142.10 = 320,376.59 : x
  2. Step 2: Convert to fraction form
    586,761.39/880,142.10 = 320,376.59/x
  3. Step 3: Cross multiply
    586,761.39x = 880,142.10 × 320,376.59
  4. Step 4: Simplify right side
    586,761.39x = 281,976,924,713.44
  5. Step 5: Solve for x
    x = 281,976,924,713.44/586,761.39
  6. Step 6: Final answer
    x = 480,564.89

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Similar ratio
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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.