Home / 694,040.80-957,778.89-403,722.04

Finding the Fourth Proportional to 694,040.80, 957,778.89 and 403,722.04

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Solution

The fourth proportional to 694,040.80, 957,778.89 and 403,722.04 is: 557,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,040.80 : 957,778.89 = 403,722.04 : x
  2. Step 2: Convert to fraction form
    694,040.80/957,778.89 = 403,722.04/x
  3. Step 3: Cross multiply
    694,040.80x = 957,778.89 × 403,722.04
  4. Step 4: Simplify right side
    694,040.80x = 386,676,447,339.74
  5. Step 5: Solve for x
    x = 386,676,447,339.74/694,040.80
  6. Step 6: Final answer
    x = 557,137.92

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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.