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Finding the Fourth Proportional to 602,739, 831,818.70 and 334,467

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Solution

The fourth proportional to 602,739, 831,818.70 and 334,467 is: 461,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,739 : 831,818.70 = 334,467 : x
  2. Step 2: Convert to fraction form
    602,739/831,818.70 = 334,467/x
  3. Step 3: Cross multiply
    602,739x = 831,818.70 × 334,467
  4. Step 4: Simplify right side
    602,739x = 278,215,905,132.90
  5. Step 5: Solve for x
    x = 278,215,905,132.90/602,739
  6. Step 6: Final answer
    x = 461,586.03

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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.