Home / 762,414.24-1,143,723.76-289,275.04

Finding the Fourth Proportional to 762,414.24, 1,143,723.76 and 289,275.04

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Solution

The fourth proportional to 762,414.24, 1,143,723.76 and 289,275.04 is: 433,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,414.24 : 1,143,723.76 = 289,275.04 : x
  2. Step 2: Convert to fraction form
    762,414.24/1,143,723.76 = 289,275.04/x
  3. Step 3: Cross multiply
    762,414.24x = 1,143,723.76 × 289,275.04
  4. Step 4: Simplify right side
    762,414.24x = 330,850,736,422.95
  5. Step 5: Solve for x
    x = 330,850,736,422.95/762,414.24
  6. Step 6: Final answer
    x = 433,951.41

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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.