Home / 725,235.13-1,088,324.67-275,959.72

Finding the Fourth Proportional to 725,235.13, 1,088,324.67 and 275,959.72

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Solution

The fourth proportional to 725,235.13, 1,088,324.67 and 275,959.72 is: 414,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,235.13 : 1,088,324.67 = 275,959.72 : x
  2. Step 2: Convert to fraction form
    725,235.13/1,088,324.67 = 275,959.72/x
  3. Step 3: Cross multiply
    725,235.13x = 1,088,324.67 × 275,959.72
  4. Step 4: Simplify right side
    725,235.13x = 300,333,765,760.67
  5. Step 5: Solve for x
    x = 300,333,765,760.67/725,235.13
  6. Step 6: Final answer
    x = 414,119.17

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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.