Home / 725,861.10-1,088,532.45-252,561.90

Finding the Fourth Proportional to 725,861.10, 1,088,532.45 and 252,561.90

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Solution

The fourth proportional to 725,861.10, 1,088,532.45 and 252,561.90 is: 378,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,861.10 : 1,088,532.45 = 252,561.90 : x
  2. Step 2: Convert to fraction form
    725,861.10/1,088,532.45 = 252,561.90/x
  3. Step 3: Cross multiply
    725,861.10x = 1,088,532.45 × 252,561.90
  4. Step 4: Simplify right side
    725,861.10x = 274,921,823,783.66
  5. Step 5: Solve for x
    x = 274,921,823,783.66/725,861.10
  6. Step 6: Final answer
    x = 378,752.66

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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.