Home / 400,427.46-552,708.09-230,781.06

Finding the Fourth Proportional to 400,427.46, 552,708.09 and 230,781.06

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Solution

The fourth proportional to 400,427.46, 552,708.09 and 230,781.06 is: 318,545.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,427.46 : 552,708.09 = 230,781.06 : x
  2. Step 2: Convert to fraction form
    400,427.46/552,708.09 = 230,781.06/x
  3. Step 3: Cross multiply
    400,427.46x = 552,708.09 × 230,781.06
  4. Step 4: Simplify right side
    400,427.46x = 127,554,558,880.78
  5. Step 5: Solve for x
    x = 127,554,558,880.78/400,427.46
  6. Step 6: Final answer
    x = 318,545.98

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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.