Home / 871,282.40-1,306,989.24-240,190.88

Finding the Fourth Proportional to 871,282.40, 1,306,989.24 and 240,190.88

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Solution

The fourth proportional to 871,282.40, 1,306,989.24 and 240,190.88 is: 360,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,282.40 : 1,306,989.24 = 240,190.88 : x
  2. Step 2: Convert to fraction form
    871,282.40/1,306,989.24 = 240,190.88/x
  3. Step 3: Cross multiply
    871,282.40x = 1,306,989.24 × 240,190.88
  4. Step 4: Simplify right side
    871,282.40x = 313,926,895,706.13
  5. Step 5: Solve for x
    x = 313,926,895,706.13/871,282.40
  6. Step 6: Final answer
    x = 360,304.42

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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.