Home / 404,550.12-606,625.50-123,999.72

Finding the Fourth Proportional to 404,550.12, 606,625.50 and 123,999.72

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Solution

The fourth proportional to 404,550.12, 606,625.50 and 123,999.72 is: 185,938.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,550.12 : 606,625.50 = 123,999.72 : x
  2. Step 2: Convert to fraction form
    404,550.12/606,625.50 = 123,999.72/x
  3. Step 3: Cross multiply
    404,550.12x = 606,625.50 × 123,999.72
  4. Step 4: Simplify right side
    404,550.12x = 75,221,392,144.86
  5. Step 5: Solve for x
    x = 75,221,392,144.86/404,550.12
  6. Step 6: Final answer
    x = 185,938.38

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1.5x scale

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.