Home / 400,722.72-552,872.16-230,933.76

Finding the Fourth Proportional to 400,722.72, 552,872.16 and 230,933.76

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Solution

The fourth proportional to 400,722.72, 552,872.16 and 230,933.76 is: 318,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,722.72 : 552,872.16 = 230,933.76 : x
  2. Step 2: Convert to fraction form
    400,722.72/552,872.16 = 230,933.76/x
  3. Step 3: Cross multiply
    400,722.72x = 552,872.16 × 230,933.76
  4. Step 4: Simplify right side
    400,722.72x = 127,676,846,708.12
  5. Step 5: Solve for x
    x = 127,676,846,708.12/400,722.72
  6. Step 6: Final answer
    x = 318,616.44

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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.