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Finding the Fourth Proportional to 635,440.40, 951,708.92 and 303,249.68

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Solution

The fourth proportional to 635,440.40, 951,708.92 and 303,249.68 is: 454,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,440.40 : 951,708.92 = 303,249.68 : x
  2. Step 2: Convert to fraction form
    635,440.40/951,708.92 = 303,249.68/x
  3. Step 3: Cross multiply
    635,440.40x = 951,708.92 × 303,249.68
  4. Step 4: Simplify right side
    635,440.40x = 288,605,425,443.15
  5. Step 5: Solve for x
    x = 288,605,425,443.15/635,440.40
  6. Step 6: Final answer
    x = 454,181.74

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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.