Home / 752,963.59-1,129,328.30-247,521.20

Finding the Fourth Proportional to 752,963.59, 1,129,328.30 and 247,521.20

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Solution

The fourth proportional to 752,963.59, 1,129,328.30 and 247,521.20 is: 371,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,963.59 : 1,129,328.30 = 247,521.20 : x
  2. Step 2: Convert to fraction form
    752,963.59/1,129,328.30 = 247,521.20/x
  3. Step 3: Cross multiply
    752,963.59x = 1,129,328.30 × 247,521.20
  4. Step 4: Simplify right side
    752,963.59x = 279,532,694,772.35
  5. Step 5: Solve for x
    x = 279,532,694,772.35/752,963.59
  6. Step 6: Final answer
    x = 371,243.31

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1.5x scale

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.