Home / 703,519.31-1,056,691.13-419,763.62

Finding the Fourth Proportional to 703,519.31, 1,056,691.13 and 419,763.62

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Solution

The fourth proportional to 703,519.31, 1,056,691.13 and 419,763.62 is: 630,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,519.31 : 1,056,691.13 = 419,763.62 : x
  2. Step 2: Convert to fraction form
    703,519.31/1,056,691.13 = 419,763.62/x
  3. Step 3: Cross multiply
    703,519.31x = 1,056,691.13 × 419,763.62
  4. Step 4: Simplify right side
    703,519.31x = 443,560,486,568.42
  5. Step 5: Solve for x
    x = 443,560,486,568.42/703,519.31
  6. Step 6: Final answer
    x = 630,488.01

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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.