Home / 754,104.50-1,040,683.92-409,963.58

Finding the Fourth Proportional to 754,104.50, 1,040,683.92 and 409,963.58

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Solution

The fourth proportional to 754,104.50, 1,040,683.92 and 409,963.58 is: 565,760.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,104.50 : 1,040,683.92 = 409,963.58 : x
  2. Step 2: Convert to fraction form
    754,104.50/1,040,683.92 = 409,963.58/x
  3. Step 3: Cross multiply
    754,104.50x = 1,040,683.92 × 409,963.58
  4. Step 4: Simplify right side
    754,104.50x = 426,642,505,491.63
  5. Step 5: Solve for x
    x = 426,642,505,491.63/754,104.50
  6. Step 6: Final answer
    x = 565,760.46

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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.