Home / 725,267.52-1,088,105.40-252,000.72

Finding the Fourth Proportional to 725,267.52, 1,088,105.40 and 252,000.72

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Solution

The fourth proportional to 725,267.52, 1,088,105.40 and 252,000.72 is: 378,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,267.52 : 1,088,105.40 = 252,000.72 : x
  2. Step 2: Convert to fraction form
    725,267.52/1,088,105.40 = 252,000.72/x
  3. Step 3: Cross multiply
    725,267.52x = 1,088,105.40 × 252,000.72
  4. Step 4: Simplify right side
    725,267.52x = 274,203,344,235.89
  5. Step 5: Solve for x
    x = 274,203,344,235.89/725,267.52
  6. Step 6: Final answer
    x = 378,072.00

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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.