Home / 725,065.78-1,000,562.96-402,796.14

Finding the Fourth Proportional to 725,065.78, 1,000,562.96 and 402,796.14

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Solution

The fourth proportional to 725,065.78, 1,000,562.96 and 402,796.14 is: 555,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,065.78 : 1,000,562.96 = 402,796.14 : x
  2. Step 2: Convert to fraction form
    725,065.78/1,000,562.96 = 402,796.14/x
  3. Step 3: Cross multiply
    725,065.78x = 1,000,562.96 × 402,796.14
  4. Step 4: Simplify right side
    725,065.78x = 403,022,898,114.97
  5. Step 5: Solve for x
    x = 403,022,898,114.97/725,065.78
  6. Step 6: Final answer
    x = 555,843.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.