Home / 676,246.47-1,012,759.70-391,336.44

Finding the Fourth Proportional to 676,246.47, 1,012,759.70 and 391,336.44

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Solution

The fourth proportional to 676,246.47, 1,012,759.70 and 391,336.44 is: 586,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,246.47 : 1,012,759.70 = 391,336.44 : x
  2. Step 2: Convert to fraction form
    676,246.47/1,012,759.70 = 391,336.44/x
  3. Step 3: Cross multiply
    676,246.47x = 1,012,759.70 × 391,336.44
  4. Step 4: Simplify right side
    676,246.47x = 396,329,773,616.79
  5. Step 5: Solve for x
    x = 396,329,773,616.79/676,246.47
  6. Step 6: Final answer
    x = 586,072.96

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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.