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Finding the Fourth Proportional to 602,641.76, 831,655.84 and 330,734.95

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Solution

The fourth proportional to 602,641.76, 831,655.84 and 330,734.95 is: 456,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,641.76 : 831,655.84 = 330,734.95 : x
  2. Step 2: Convert to fraction form
    602,641.76/831,655.84 = 330,734.95/x
  3. Step 3: Cross multiply
    602,641.76x = 831,655.84 × 330,734.95
  4. Step 4: Simplify right side
    602,641.76x = 275,057,652,659.61
  5. Step 5: Solve for x
    x = 275,057,652,659.61/602,641.76
  6. Step 6: Final answer
    x = 456,419.83

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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.