Home / 852,743.28-1,278,687.04-283,924.02

Finding the Fourth Proportional to 852,743.28, 1,278,687.04 and 283,924.02

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Solution

The fourth proportional to 852,743.28, 1,278,687.04 and 283,924.02 is: 425,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,743.28 : 1,278,687.04 = 283,924.02 : x
  2. Step 2: Convert to fraction form
    852,743.28/1,278,687.04 = 283,924.02/x
  3. Step 3: Cross multiply
    852,743.28x = 1,278,687.04 × 283,924.02
  4. Step 4: Simplify right side
    852,743.28x = 363,049,964,718.70
  5. Step 5: Solve for x
    x = 363,049,964,718.70/852,743.28
  6. Step 6: Final answer
    x = 425,743.57

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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.