Home / 752,725.80-1,130,400.90-729,106.20

Finding the Fourth Proportional to 752,725.80, 1,130,400.90 and 729,106.20

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Solution

The fourth proportional to 752,725.80, 1,130,400.90 and 729,106.20 is: 1,094,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,725.80 : 1,130,400.90 = 729,106.20 : x
  2. Step 2: Convert to fraction form
    752,725.80/1,130,400.90 = 729,106.20/x
  3. Step 3: Cross multiply
    752,725.80x = 1,130,400.90 × 729,106.20
  4. Step 4: Simplify right side
    752,725.80x = 824,182,304,675.58
  5. Step 5: Solve for x
    x = 824,182,304,675.58/752,725.80
  6. Step 6: Final answer
    x = 1,094,930.32

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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.