Home / 646,614.11-892,292.32-356,169.08

Finding the Fourth Proportional to 646,614.11, 892,292.32 and 356,169.08

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Solution

The fourth proportional to 646,614.11, 892,292.32 and 356,169.08 is: 491,493.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,614.11 : 892,292.32 = 356,169.08 : x
  2. Step 2: Convert to fraction form
    646,614.11/892,292.32 = 356,169.08/x
  3. Step 3: Cross multiply
    646,614.11x = 892,292.32 × 356,169.08
  4. Step 4: Simplify right side
    646,614.11x = 317,806,929,353.58
  5. Step 5: Solve for x
    x = 317,806,929,353.58/646,614.11
  6. Step 6: Final answer
    x = 491,493.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.