Home / 400,719.76-552,993.26-230,964.82

Finding the Fourth Proportional to 400,719.76, 552,993.26 and 230,964.82

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Solution

The fourth proportional to 400,719.76, 552,993.26 and 230,964.82 is: 318,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,719.76 : 552,993.26 = 230,964.82 : x
  2. Step 2: Convert to fraction form
    400,719.76/552,993.26 = 230,964.82/x
  3. Step 3: Cross multiply
    400,719.76x = 552,993.26 × 230,964.82
  4. Step 4: Simplify right side
    400,719.76x = 127,721,988,757.11
  5. Step 5: Solve for x
    x = 127,721,988,757.11/400,719.76
  6. Step 6: Final answer
    x = 318,731.45

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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.