Home / 752,000.80-1,128,001.20-717,008.80

Finding the Fourth Proportional to 752,000.80, 1,128,001.20 and 717,008.80

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Solution

The fourth proportional to 752,000.80, 1,128,001.20 and 717,008.80 is: 1,075,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,000.80 : 1,128,001.20 = 717,008.80 : x
  2. Step 2: Convert to fraction form
    752,000.80/1,128,001.20 = 717,008.80/x
  3. Step 3: Cross multiply
    752,000.80x = 1,128,001.20 × 717,008.80
  4. Step 4: Simplify right side
    752,000.80x = 808,786,786,810.56
  5. Step 5: Solve for x
    x = 808,786,786,810.56/752,000.80
  6. Step 6: Final answer
    x = 1,075,513.20

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Similar ratio
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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.