Home / 712,076.13-1,067,376.07-445,223.86

Finding the Fourth Proportional to 712,076.13, 1,067,376.07 and 445,223.86

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Solution

The fourth proportional to 712,076.13, 1,067,376.07 and 445,223.86 is: 667,374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,076.13 : 1,067,376.07 = 445,223.86 : x
  2. Step 2: Convert to fraction form
    712,076.13/1,067,376.07 = 445,223.86/x
  3. Step 3: Cross multiply
    712,076.13x = 1,067,376.07 × 445,223.86
  4. Step 4: Simplify right side
    712,076.13x = 475,221,290,175.53
  5. Step 5: Solve for x
    x = 475,221,290,175.53/712,076.13
  6. Step 6: Final answer
    x = 667,374.27

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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.