Home / 854,614.10-1,282,115.55-499,445.30

Finding the Fourth Proportional to 854,614.10, 1,282,115.55 and 499,445.30

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Solution

The fourth proportional to 854,614.10, 1,282,115.55 and 499,445.30 is: 749,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,614.10 : 1,282,115.55 = 499,445.30 : x
  2. Step 2: Convert to fraction form
    854,614.10/1,282,115.55 = 499,445.30/x
  3. Step 3: Cross multiply
    854,614.10x = 1,282,115.55 × 499,445.30
  4. Step 4: Simplify right side
    854,614.10x = 640,346,585,504.42
  5. Step 5: Solve for x
    x = 640,346,585,504.42/854,614.10
  6. Step 6: Final answer
    x = 749,281.56

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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.