Home / 426,787.94-588,283.29-288,923.39

Finding the Fourth Proportional to 426,787.94, 588,283.29 and 288,923.39

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Solution

The fourth proportional to 426,787.94, 588,283.29 and 288,923.39 is: 398,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,787.94 : 588,283.29 = 288,923.39 : x
  2. Step 2: Convert to fraction form
    426,787.94/588,283.29 = 288,923.39/x
  3. Step 3: Cross multiply
    426,787.94x = 588,283.29 × 288,923.39
  4. Step 4: Simplify right side
    426,787.94x = 169,968,801,691.80
  5. Step 5: Solve for x
    x = 169,968,801,691.80/426,787.94
  6. Step 6: Final answer
    x = 398,251.19

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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.