Home / 712,102.59-1,067,415.77-445,250.32

Finding the Fourth Proportional to 712,102.59, 1,067,415.77 and 445,250.32

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Solution

The fourth proportional to 712,102.59, 1,067,415.77 and 445,250.32 is: 667,413.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,102.59 : 1,067,415.77 = 445,250.32 : x
  2. Step 2: Convert to fraction form
    712,102.59/1,067,415.77 = 445,250.32/x
  3. Step 3: Cross multiply
    712,102.59x = 1,067,415.77 × 445,250.32
  4. Step 4: Simplify right side
    712,102.59x = 475,267,211,610.13
  5. Step 5: Solve for x
    x = 475,267,211,610.13/712,102.59
  6. Step 6: Final answer
    x = 667,413.96

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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.