Home / 725,666.58-1,088,598.42-252,290.70

Finding the Fourth Proportional to 725,666.58, 1,088,598.42 and 252,290.70

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Solution

The fourth proportional to 725,666.58, 1,088,598.42 and 252,290.70 is: 378,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,666.58 : 1,088,598.42 = 252,290.70 : x
  2. Step 2: Convert to fraction form
    725,666.58/1,088,598.42 = 252,290.70/x
  3. Step 3: Cross multiply
    725,666.58x = 1,088,598.42 × 252,290.70
  4. Step 4: Simplify right side
    725,666.58x = 274,643,257,400.69
  5. Step 5: Solve for x
    x = 274,643,257,400.69/725,666.58
  6. Step 6: Final answer
    x = 378,470.31

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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.