Home / 891,413.44-1,337,100.72-217,500.64

Finding the Fourth Proportional to 891,413.44, 1,337,100.72 and 217,500.64

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Solution

The fourth proportional to 891,413.44, 1,337,100.72 and 217,500.64 is: 326,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,413.44 : 1,337,100.72 = 217,500.64 : x
  2. Step 2: Convert to fraction form
    891,413.44/1,337,100.72 = 217,500.64/x
  3. Step 3: Cross multiply
    891,413.44x = 1,337,100.72 × 217,500.64
  4. Step 4: Simplify right side
    891,413.44x = 290,820,262,344.46
  5. Step 5: Solve for x
    x = 290,820,262,344.46/891,413.44
  6. Step 6: Final answer
    x = 326,246.22

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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.