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Finding the Fourth Proportional to 426,689.28, 588,806.76 and 254,801.20

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Solution

The fourth proportional to 426,689.28, 588,806.76 and 254,801.20 is: 351,611.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,689.28 : 588,806.76 = 254,801.20 : x
  2. Step 2: Convert to fraction form
    426,689.28/588,806.76 = 254,801.20/x
  3. Step 3: Cross multiply
    426,689.28x = 588,806.76 × 254,801.20
  4. Step 4: Simplify right side
    426,689.28x = 150,028,669,016.11
  5. Step 5: Solve for x
    x = 150,028,669,016.11/426,689.28
  6. Step 6: Final answer
    x = 351,611.06

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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.