Home / 329,727.20-493,278.60-285,841.40

Finding the Fourth Proportional to 329,727.20, 493,278.60 and 285,841.40

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Solution

The fourth proportional to 329,727.20, 493,278.60 and 285,841.40 is: 427,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,727.20 : 493,278.60 = 285,841.40 : x
  2. Step 2: Convert to fraction form
    329,727.20/493,278.60 = 285,841.40/x
  3. Step 3: Cross multiply
    329,727.20x = 493,278.60 × 285,841.40
  4. Step 4: Simplify right side
    329,727.20x = 140,999,445,614.04
  5. Step 5: Solve for x
    x = 140,999,445,614.04/329,727.20
  6. Step 6: Final answer
    x = 427,624.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.