Home / 725,562.45-1,088,346.31-220,127.72

Finding the Fourth Proportional to 725,562.45, 1,088,346.31 and 220,127.72

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Solution

The fourth proportional to 725,562.45, 1,088,346.31 and 220,127.72 is: 330,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,562.45 : 1,088,346.31 = 220,127.72 : x
  2. Step 2: Convert to fraction form
    725,562.45/1,088,346.31 = 220,127.72/x
  3. Step 3: Cross multiply
    725,562.45x = 1,088,346.31 × 220,127.72
  4. Step 4: Simplify right side
    725,562.45x = 239,575,185,798.66
  5. Step 5: Solve for x
    x = 239,575,185,798.66/725,562.45
  6. Step 6: Final answer
    x = 330,192.37

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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.