Home / 440,423.40-660,660.22-124,855.50

Finding the Fourth Proportional to 440,423.40, 660,660.22 and 124,855.50

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Solution

The fourth proportional to 440,423.40, 660,660.22 and 124,855.50 is: 187,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,423.40 : 660,660.22 = 124,855.50 : x
  2. Step 2: Convert to fraction form
    440,423.40/660,660.22 = 124,855.50/x
  3. Step 3: Cross multiply
    440,423.40x = 660,660.22 × 124,855.50
  4. Step 4: Simplify right side
    440,423.40x = 82,487,062,098.21
  5. Step 5: Solve for x
    x = 82,487,062,098.21/440,423.40
  6. Step 6: Final answer
    x = 187,290.37

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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.