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Finding the Fourth Proportional to 588,791, 812,531.58 and 320,519

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Solution

The fourth proportional to 588,791, 812,531.58 and 320,519 is: 442,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,791 : 812,531.58 = 320,519 : x
  2. Step 2: Convert to fraction form
    588,791/812,531.58 = 320,519/x
  3. Step 3: Cross multiply
    588,791x = 812,531.58 × 320,519
  4. Step 4: Simplify right side
    588,791x = 260,431,809,490.02
  5. Step 5: Solve for x
    x = 260,431,809,490.02/588,791
  6. Step 6: Final answer
    x = 442,316.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.