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Finding the Fourth Proportional to 602,718, 831,789.72 and 334,446

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Solution

The fourth proportional to 602,718, 831,789.72 and 334,446 is: 461,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,718 : 831,789.72 = 334,446 : x
  2. Step 2: Convert to fraction form
    602,718/831,789.72 = 334,446/x
  3. Step 3: Cross multiply
    602,718x = 831,789.72 × 334,446
  4. Step 4: Simplify right side
    602,718x = 278,188,744,695.12
  5. Step 5: Solve for x
    x = 278,188,744,695.12/602,718
  6. Step 6: Final answer
    x = 461,557.05

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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.