Home / 426,331.40-588,321.78-235,344.20

Finding the Fourth Proportional to 426,331.40, 588,321.78 and 235,344.20

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Solution

The fourth proportional to 426,331.40, 588,321.78 and 235,344.20 is: 324,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,331.40 : 588,321.78 = 235,344.20 : x
  2. Step 2: Convert to fraction form
    426,331.40/588,321.78 = 235,344.20/x
  3. Step 3: Cross multiply
    426,331.40x = 588,321.78 × 235,344.20
  4. Step 4: Simplify right side
    426,331.40x = 138,458,118,656.68
  5. Step 5: Solve for x
    x = 138,458,118,656.68/426,331.40
  6. Step 6: Final answer
    x = 324,766.41

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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.