Home / 847,400.42-1,271,100.22-216,314.04

Finding the Fourth Proportional to 847,400.42, 1,271,100.22 and 216,314.04

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Solution

The fourth proportional to 847,400.42, 1,271,100.22 and 216,314.04 is: 324,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,400.42 : 1,271,100.22 = 216,314.04 : x
  2. Step 2: Convert to fraction form
    847,400.42/1,271,100.22 = 216,314.04/x
  3. Step 3: Cross multiply
    847,400.42x = 1,271,100.22 × 216,314.04
  4. Step 4: Simplify right side
    847,400.42x = 274,956,823,833.09
  5. Step 5: Solve for x
    x = 274,956,823,833.09/847,400.42
  6. Step 6: Final answer
    x = 324,470.96

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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.