Home / 803,003.70-1,204,505.55-329,445.30

Finding the Fourth Proportional to 803,003.70, 1,204,505.55 and 329,445.30

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Solution

The fourth proportional to 803,003.70, 1,204,505.55 and 329,445.30 is: 494,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,003.70 : 1,204,505.55 = 329,445.30 : x
  2. Step 2: Convert to fraction form
    803,003.70/1,204,505.55 = 329,445.30/x
  3. Step 3: Cross multiply
    803,003.70x = 1,204,505.55 × 329,445.30
  4. Step 4: Simplify right side
    803,003.70x = 396,818,692,271.42
  5. Step 5: Solve for x
    x = 396,818,692,271.42/803,003.70
  6. Step 6: Final answer
    x = 494,167.95

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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.