Home / 852,519.46-1,278,983.54-283,905.48

Finding the Fourth Proportional to 852,519.46, 1,278,983.54 and 283,905.48

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Solution

The fourth proportional to 852,519.46, 1,278,983.54 and 283,905.48 is: 425,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,519.46 : 1,278,983.54 = 283,905.48 : x
  2. Step 2: Convert to fraction form
    852,519.46/1,278,983.54 = 283,905.48/x
  3. Step 3: Cross multiply
    852,519.46x = 1,278,983.54 × 283,905.48
  4. Step 4: Simplify right side
    852,519.46x = 363,110,435,835.80
  5. Step 5: Solve for x
    x = 363,110,435,835.80/852,519.46
  6. Step 6: Final answer
    x = 425,926.27

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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.