Home / 852,425.40-1,278,177.30-353,839.80

Finding the Fourth Proportional to 852,425.40, 1,278,177.30 and 353,839.80

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Solution

The fourth proportional to 852,425.40, 1,278,177.30 and 353,839.80 is: 530,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,425.40 : 1,278,177.30 = 353,839.80 : x
  2. Step 2: Convert to fraction form
    852,425.40/1,278,177.30 = 353,839.80/x
  3. Step 3: Cross multiply
    852,425.40x = 1,278,177.30 × 353,839.80
  4. Step 4: Simplify right side
    852,425.40x = 452,270,000,196.54
  5. Step 5: Solve for x
    x = 452,270,000,196.54/852,425.40
  6. Step 6: Final answer
    x = 530,568.42

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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.