Home / 712,104.59-1,067,418.77-445,252.32

Finding the Fourth Proportional to 712,104.59, 1,067,418.77 and 445,252.32

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Solution

The fourth proportional to 712,104.59, 1,067,418.77 and 445,252.32 is: 667,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,104.59 : 1,067,418.77 = 445,252.32 : x
  2. Step 2: Convert to fraction form
    712,104.59/1,067,418.77 = 445,252.32/x
  3. Step 3: Cross multiply
    712,104.59x = 1,067,418.77 × 445,252.32
  4. Step 4: Simplify right side
    712,104.59x = 475,270,683,754.05
  5. Step 5: Solve for x
    x = 475,270,683,754.05/712,104.59
  6. Step 6: Final answer
    x = 667,416.96

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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.