Home / 715,625.43-1,073,478.35-229,349.89

Finding the Fourth Proportional to 715,625.43, 1,073,478.35 and 229,349.89

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Solution

The fourth proportional to 715,625.43, 1,073,478.35 and 229,349.89 is: 344,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,625.43 : 1,073,478.35 = 229,349.89 : x
  2. Step 2: Convert to fraction form
    715,625.43/1,073,478.35 = 229,349.89/x
  3. Step 3: Cross multiply
    715,625.43x = 1,073,478.35 × 229,349.89
  4. Step 4: Simplify right side
    715,625.43x = 246,202,141,489.88
  5. Step 5: Solve for x
    x = 246,202,141,489.88/715,625.43
  6. Step 6: Final answer
    x = 344,037.72

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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.