Home / 631,426.28-946,548.92-231,959.80

Finding the Fourth Proportional to 631,426.28, 946,548.92 and 231,959.80

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Solution

The fourth proportional to 631,426.28, 946,548.92 and 231,959.80 is: 347,722.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,426.28 : 946,548.92 = 231,959.80 : x
  2. Step 2: Convert to fraction form
    631,426.28/946,548.92 = 231,959.80/x
  3. Step 3: Cross multiply
    631,426.28x = 946,548.92 × 231,959.80
  4. Step 4: Simplify right side
    631,426.28x = 219,561,298,173.42
  5. Step 5: Solve for x
    x = 219,561,298,173.42/631,426.28
  6. Step 6: Final answer
    x = 347,722.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.