Home / 711,843.90-1,067,765.85-238,371.90

Finding the Fourth Proportional to 711,843.90, 1,067,765.85 and 238,371.90

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Solution

The fourth proportional to 711,843.90, 1,067,765.85 and 238,371.90 is: 357,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,843.90 : 1,067,765.85 = 238,371.90 : x
  2. Step 2: Convert to fraction form
    711,843.90/1,067,765.85 = 238,371.90/x
  3. Step 3: Cross multiply
    711,843.90x = 1,067,765.85 × 238,371.90
  4. Step 4: Simplify right side
    711,843.90x = 254,525,374,419.62
  5. Step 5: Solve for x
    x = 254,525,374,419.62/711,843.90
  6. Step 6: Final answer
    x = 357,557.85

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1.5x scale

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.