Home / 496,839.60-685,641.24-270,486.72

Finding the Fourth Proportional to 496,839.60, 685,641.24 and 270,486.72

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Solution

The fourth proportional to 496,839.60, 685,641.24 and 270,486.72 is: 373,273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,839.60 : 685,641.24 = 270,486.72 : x
  2. Step 2: Convert to fraction form
    496,839.60/685,641.24 = 270,486.72/x
  3. Step 3: Cross multiply
    496,839.60x = 685,641.24 × 270,486.72
  4. Step 4: Simplify right side
    496,839.60x = 185,456,850,104.33
  5. Step 5: Solve for x
    x = 185,456,850,104.33/496,839.60
  6. Step 6: Final answer
    x = 373,273.08

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1.5x scale

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.