Home / 854,212.10-1,281,512.55-499,043.30

Finding the Fourth Proportional to 854,212.10, 1,281,512.55 and 499,043.30

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Solution

The fourth proportional to 854,212.10, 1,281,512.55 and 499,043.30 is: 748,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,212.10 : 1,281,512.55 = 499,043.30 : x
  2. Step 2: Convert to fraction form
    854,212.10/1,281,512.55 = 499,043.30/x
  3. Step 3: Cross multiply
    854,212.10x = 1,281,512.55 × 499,043.30
  4. Step 4: Simplify right side
    854,212.10x = 639,530,251,943.42
  5. Step 5: Solve for x
    x = 639,530,251,943.42/854,212.10
  6. Step 6: Final answer
    x = 748,678.52

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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.