Home / 762,728.59-1,144,160.12-282,961.95

Finding the Fourth Proportional to 762,728.59, 1,144,160.12 and 282,961.95

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Solution

The fourth proportional to 762,728.59, 1,144,160.12 and 282,961.95 is: 424,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,728.59 : 1,144,160.12 = 282,961.95 : x
  2. Step 2: Convert to fraction form
    762,728.59/1,144,160.12 = 282,961.95/x
  3. Step 3: Cross multiply
    762,728.59x = 1,144,160.12 × 282,961.95
  4. Step 4: Simplify right side
    762,728.59x = 323,753,778,667.43
  5. Step 5: Solve for x
    x = 323,753,778,667.43/762,728.59
  6. Step 6: Final answer
    x = 424,467.87

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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.