Home / 400,687.11-552,963.09-228,633.08

Finding the Fourth Proportional to 400,687.11, 552,963.09 and 228,633.08

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Solution

The fourth proportional to 400,687.11, 552,963.09 and 228,633.08 is: 315,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,687.11 : 552,963.09 = 228,633.08 : x
  2. Step 2: Convert to fraction form
    400,687.11/552,963.09 = 228,633.08/x
  3. Step 3: Cross multiply
    400,687.11x = 552,963.09 × 228,633.08
  4. Step 4: Simplify right side
    400,687.11x = 126,425,651,628.20
  5. Step 5: Solve for x
    x = 126,425,651,628.20/400,687.11
  6. Step 6: Final answer
    x = 315,522.13

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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.