Home / 966,164.78-1,449,431.27-389,833.78

Finding the Fourth Proportional to 966,164.78, 1,449,431.27 and 389,833.78

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Solution

The fourth proportional to 966,164.78, 1,449,431.27 and 389,833.78 is: 584,824.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,164.78 : 1,449,431.27 = 389,833.78 : x
  2. Step 2: Convert to fraction form
    966,164.78/1,449,431.27 = 389,833.78/x
  3. Step 3: Cross multiply
    966,164.78x = 1,449,431.27 × 389,833.78
  4. Step 4: Simplify right side
    966,164.78x = 565,037,270,834.30
  5. Step 5: Solve for x
    x = 565,037,270,834.30/966,164.78
  6. Step 6: Final answer
    x = 584,824.95

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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.