Home / 650,849.19-976,048.79-309,253.11

Finding the Fourth Proportional to 650,849.19, 976,048.79 and 309,253.11

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Solution

The fourth proportional to 650,849.19, 976,048.79 and 309,253.11 is: 463,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,849.19 : 976,048.79 = 309,253.11 : x
  2. Step 2: Convert to fraction form
    650,849.19/976,048.79 = 309,253.11/x
  3. Step 3: Cross multiply
    650,849.19x = 976,048.79 × 309,253.11
  4. Step 4: Simplify right side
    650,849.19x = 301,846,122,272.97
  5. Step 5: Solve for x
    x = 301,846,122,272.97/650,849.19
  6. Step 6: Final answer
    x = 463,772.76

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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.