Home / 538,320.87-807,438.89-234,707.85

Finding the Fourth Proportional to 538,320.87, 807,438.89 and 234,707.85

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Solution

The fourth proportional to 538,320.87, 807,438.89 and 234,707.85 is: 352,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,320.87 : 807,438.89 = 234,707.85 : x
  2. Step 2: Convert to fraction form
    538,320.87/807,438.89 = 234,707.85/x
  3. Step 3: Cross multiply
    538,320.87x = 807,438.89 × 234,707.85
  4. Step 4: Simplify right side
    538,320.87x = 189,512,246,465.06
  5. Step 5: Solve for x
    x = 189,512,246,465.06/538,320.87
  6. Step 6: Final answer
    x = 352,043.28

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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.