Home / 752,442.74-1,128,661.07-272,558.23

Finding the Fourth Proportional to 752,442.74, 1,128,661.07 and 272,558.23

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Solution

The fourth proportional to 752,442.74, 1,128,661.07 and 272,558.23 is: 408,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,442.74 : 1,128,661.07 = 272,558.23 : x
  2. Step 2: Convert to fraction form
    752,442.74/1,128,661.07 = 272,558.23/x
  3. Step 3: Cross multiply
    752,442.74x = 1,128,661.07 × 272,558.23
  4. Step 4: Simplify right side
    752,442.74x = 307,625,856,503.01
  5. Step 5: Solve for x
    x = 307,625,856,503.01/752,442.74
  6. Step 6: Final answer
    x = 408,836.24

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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.