Home / 755,230.80-1,134,158.40-400,936.80

Finding the Fourth Proportional to 755,230.80, 1,134,158.40 and 400,936.80

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Solution

The fourth proportional to 755,230.80, 1,134,158.40 and 400,936.80 is: 602,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,230.80 : 1,134,158.40 = 400,936.80 : x
  2. Step 2: Convert to fraction form
    755,230.80/1,134,158.40 = 400,936.80/x
  3. Step 3: Cross multiply
    755,230.80x = 1,134,158.40 × 400,936.80
  4. Step 4: Simplify right side
    755,230.80x = 454,725,839,589.12
  5. Step 5: Solve for x
    x = 454,725,839,589.12/755,230.80
  6. Step 6: Final answer
    x = 602,101.82

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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.