Home / 754,005.81-1,131,377.67-354,686.88

Finding the Fourth Proportional to 754,005.81, 1,131,377.67 and 354,686.88

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Solution

The fourth proportional to 754,005.81, 1,131,377.67 and 354,686.88 is: 532,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,005.81 : 1,131,377.67 = 354,686.88 : x
  2. Step 2: Convert to fraction form
    754,005.81/1,131,377.67 = 354,686.88/x
  3. Step 3: Cross multiply
    754,005.81x = 1,131,377.67 × 354,686.88
  4. Step 4: Simplify right side
    754,005.81x = 401,284,815,873.97
  5. Step 5: Solve for x
    x = 401,284,815,873.97/754,005.81
  6. Step 6: Final answer
    x = 532,203.88

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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.