Home / 711,415.26-1,067,124.69-290,691.14

Finding the Fourth Proportional to 711,415.26, 1,067,124.69 and 290,691.14

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Solution

The fourth proportional to 711,415.26, 1,067,124.69 and 290,691.14 is: 436,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,415.26 : 1,067,124.69 = 290,691.14 : x
  2. Step 2: Convert to fraction form
    711,415.26/1,067,124.69 = 290,691.14/x
  3. Step 3: Cross multiply
    711,415.26x = 1,067,124.69 × 290,691.14
  4. Step 4: Simplify right side
    711,415.26x = 310,203,687,322.62
  5. Step 5: Solve for x
    x = 310,203,687,322.62/711,415.26
  6. Step 6: Final answer
    x = 436,037.44

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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.