Home / 538,478.82-807,867.88-234,899.53

Finding the Fourth Proportional to 538,478.82, 807,867.88 and 234,899.53

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Solution

The fourth proportional to 538,478.82, 807,867.88 and 234,899.53 is: 352,414.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,478.82 : 807,867.88 = 234,899.53 : x
  2. Step 2: Convert to fraction form
    538,478.82/807,867.88 = 234,899.53/x
  3. Step 3: Cross multiply
    538,478.82x = 807,867.88 × 234,899.53
  4. Step 4: Simplify right side
    538,478.82x = 189,767,782,707.18
  5. Step 5: Solve for x
    x = 189,767,782,707.18/538,478.82
  6. Step 6: Final answer
    x = 352,414.57

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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.