Home / 966,564.31-1,449,290.79-398,337.70

Finding the Fourth Proportional to 966,564.31, 1,449,290.79 and 398,337.70

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Solution

The fourth proportional to 966,564.31, 1,449,290.79 and 398,337.70 is: 597,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,564.31 : 1,449,290.79 = 398,337.70 : x
  2. Step 2: Convert to fraction form
    966,564.31/1,449,290.79 = 398,337.70/x
  3. Step 3: Cross multiply
    966,564.31x = 1,449,290.79 × 398,337.70
  4. Step 4: Simplify right side
    966,564.31x = 577,307,159,919.78
  5. Step 5: Solve for x
    x = 577,307,159,919.78/966,564.31
  6. Step 6: Final answer
    x = 597,277.55

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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.