Home / 676,247.22-1,012,760.82-391,337.19

Finding the Fourth Proportional to 676,247.22, 1,012,760.82 and 391,337.19

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Solution

The fourth proportional to 676,247.22, 1,012,760.82 and 391,337.19 is: 586,074.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,247.22 : 1,012,760.82 = 391,337.19 : x
  2. Step 2: Convert to fraction form
    676,247.22/1,012,760.82 = 391,337.19/x
  3. Step 3: Cross multiply
    676,247.22x = 1,012,760.82 × 391,337.19
  4. Step 4: Simplify right side
    676,247.22x = 396,330,973,440.90
  5. Step 5: Solve for x
    x = 396,330,973,440.90/676,247.22
  6. Step 6: Final answer
    x = 586,074.09

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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.