Home / 755,228.80-1,132,843.20-722,870.40

Finding the Fourth Proportional to 755,228.80, 1,132,843.20 and 722,870.40

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Solution

The fourth proportional to 755,228.80, 1,132,843.20 and 722,870.40 is: 1,084,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,228.80 : 1,132,843.20 = 722,870.40 : x
  2. Step 2: Convert to fraction form
    755,228.80/1,132,843.20 = 722,870.40/x
  3. Step 3: Cross multiply
    755,228.80x = 1,132,843.20 × 722,870.40
  4. Step 4: Simplify right side
    755,228.80x = 818,898,817,121.28
  5. Step 5: Solve for x
    x = 818,898,817,121.28/755,228.80
  6. Step 6: Final answer
    x = 1,084,305.60

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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.