Home / 650,977.20-976,465.80-336,049.20

Finding the Fourth Proportional to 650,977.20, 976,465.80 and 336,049.20

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Solution

The fourth proportional to 650,977.20, 976,465.80 and 336,049.20 is: 504,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,977.20 : 976,465.80 = 336,049.20 : x
  2. Step 2: Convert to fraction form
    650,977.20/976,465.80 = 336,049.20/x
  3. Step 3: Cross multiply
    650,977.20x = 976,465.80 × 336,049.20
  4. Step 4: Simplify right side
    650,977.20x = 328,140,550,917.36
  5. Step 5: Solve for x
    x = 328,140,550,917.36/650,977.20
  6. Step 6: Final answer
    x = 504,073.80

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Similar ratio
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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.