Home / 785,425.61-1,178,105.51-252,934.85

Finding the Fourth Proportional to 785,425.61, 1,178,105.51 and 252,934.85

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Solution

The fourth proportional to 785,425.61, 1,178,105.51 and 252,934.85 is: 379,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,425.61 : 1,178,105.51 = 252,934.85 : x
  2. Step 2: Convert to fraction form
    785,425.61/1,178,105.51 = 252,934.85/x
  3. Step 3: Cross multiply
    785,425.61x = 1,178,105.51 × 252,934.85
  4. Step 4: Simplify right side
    785,425.61x = 297,983,944,033.62
  5. Step 5: Solve for x
    x = 297,983,944,033.62/785,425.61
  6. Step 6: Final answer
    x = 379,391.68

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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.