Home / 847,400.92-1,271,100.97-216,314.53

Finding the Fourth Proportional to 847,400.92, 1,271,100.97 and 216,314.53

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Solution

The fourth proportional to 847,400.92, 1,271,100.97 and 216,314.53 is: 324,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,400.92 : 1,271,100.97 = 216,314.53 : x
  2. Step 2: Convert to fraction form
    847,400.92/1,271,100.97 = 216,314.53/x
  3. Step 3: Cross multiply
    847,400.92x = 1,271,100.97 × 216,314.53
  4. Step 4: Simplify right side
    847,400.92x = 274,957,608,908.09
  5. Step 5: Solve for x
    x = 274,957,608,908.09/847,400.92
  6. Step 6: Final answer
    x = 324,471.69

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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.