Home / 852,780.54-1,279,153.22-284,202.92

Finding the Fourth Proportional to 852,780.54, 1,279,153.22 and 284,202.92

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Solution

The fourth proportional to 852,780.54, 1,279,153.22 and 284,202.92 is: 426,298.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,780.54 : 1,279,153.22 = 284,202.92 : x
  2. Step 2: Convert to fraction form
    852,780.54/1,279,153.22 = 284,202.92/x
  3. Step 3: Cross multiply
    852,780.54x = 1,279,153.22 × 284,202.92
  4. Step 4: Simplify right side
    852,780.54x = 363,539,080,251.40
  5. Step 5: Solve for x
    x = 363,539,080,251.40/852,780.54
  6. Step 6: Final answer
    x = 426,298.52

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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.