Home / 800,656.60-1,200,985.68-327,341.95

Finding the Fourth Proportional to 800,656.60, 1,200,985.68 and 327,341.95

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Solution

The fourth proportional to 800,656.60, 1,200,985.68 and 327,341.95 is: 491,013.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,656.60 : 1,200,985.68 = 327,341.95 : x
  2. Step 2: Convert to fraction form
    800,656.60/1,200,985.68 = 327,341.95/x
  3. Step 3: Cross multiply
    800,656.60x = 1,200,985.68 × 327,341.95
  4. Step 4: Simplify right side
    800,656.60x = 393,132,994,413.28
  5. Step 5: Solve for x
    x = 393,132,994,413.28/800,656.60
  6. Step 6: Final answer
    x = 491,013.24

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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.