Home / 400,589.28-552,812.04-230,823

Finding the Fourth Proportional to 400,589.28, 552,812.04 and 230,823

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Solution

The fourth proportional to 400,589.28, 552,812.04 and 230,823 is: 318,535.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,589.28 : 552,812.04 = 230,823 : x
  2. Step 2: Convert to fraction form
    400,589.28/552,812.04 = 230,823/x
  3. Step 3: Cross multiply
    400,589.28x = 552,812.04 × 230,823
  4. Step 4: Simplify right side
    400,589.28x = 127,601,733,508.92
  5. Step 5: Solve for x
    x = 127,601,733,508.92/400,589.28
  6. Step 6: Final answer
    x = 318,535.07

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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.