Home / 426,454.45-588,510-232,863.51

Finding the Fourth Proportional to 426,454.45, 588,510 and 232,863.51

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Solution

The fourth proportional to 426,454.45, 588,510 and 232,863.51 is: 321,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,454.45 : 588,510 = 232,863.51 : x
  2. Step 2: Convert to fraction form
    426,454.45/588,510 = 232,863.51/x
  3. Step 3: Cross multiply
    426,454.45x = 588,510 × 232,863.51
  4. Step 4: Simplify right side
    426,454.45x = 137,042,504,270.10
  5. Step 5: Solve for x
    x = 137,042,504,270.10/426,454.45
  6. Step 6: Final answer
    x = 321,353.20

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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.