Home / 852,742.28-1,278,685.54-283,923.02

Finding the Fourth Proportional to 852,742.28, 1,278,685.54 and 283,923.02

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Solution

The fourth proportional to 852,742.28, 1,278,685.54 and 283,923.02 is: 425,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,742.28 : 1,278,685.54 = 283,923.02 : x
  2. Step 2: Convert to fraction form
    852,742.28/1,278,685.54 = 283,923.02/x
  3. Step 3: Cross multiply
    852,742.28x = 1,278,685.54 × 283,923.02
  4. Step 4: Simplify right side
    852,742.28x = 363,048,263,698.75
  5. Step 5: Solve for x
    x = 363,048,263,698.75/852,742.28
  6. Step 6: Final answer
    x = 425,742.07

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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.