Home / 602,520.12-831,449.70-330,581.88

Finding the Fourth Proportional to 602,520.12, 831,449.70 and 330,581.88

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Solution

The fourth proportional to 602,520.12, 831,449.70 and 330,581.88 is: 456,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,520.12 : 831,449.70 = 330,581.88 : x
  2. Step 2: Convert to fraction form
    602,520.12/831,449.70 = 330,581.88/x
  3. Step 3: Cross multiply
    602,520.12x = 831,449.70 × 330,581.88
  4. Step 4: Simplify right side
    602,520.12x = 274,862,204,951.44
  5. Step 5: Solve for x
    x = 274,862,204,951.44/602,520.12
  6. Step 6: Final answer
    x = 456,187.60

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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.