Home / 979,717.17-1,469,630.43-305,891.52

Finding the Fourth Proportional to 979,717.17, 1,469,630.43 and 305,891.52

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Solution

The fourth proportional to 979,717.17, 1,469,630.43 and 305,891.52 is: 458,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,717.17 : 1,469,630.43 = 305,891.52 : x
  2. Step 2: Convert to fraction form
    979,717.17/1,469,630.43 = 305,891.52/x
  3. Step 3: Cross multiply
    979,717.17x = 1,469,630.43 × 305,891.52
  4. Step 4: Simplify right side
    979,717.17x = 449,547,486,070.95
  5. Step 5: Solve for x
    x = 449,547,486,070.95/979,717.17
  6. Step 6: Final answer
    x = 458,854.35

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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.