Home / 847,314.97-1,270,971.39-216,228.78

Finding the Fourth Proportional to 847,314.97, 1,270,971.39 and 216,228.78

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Solution

The fourth proportional to 847,314.97, 1,270,971.39 and 216,228.78 is: 324,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,314.97 : 1,270,971.39 = 216,228.78 : x
  2. Step 2: Convert to fraction form
    847,314.97/1,270,971.39 = 216,228.78/x
  3. Step 3: Cross multiply
    847,314.97x = 1,270,971.39 × 216,228.78
  4. Step 4: Simplify right side
    847,314.97x = 274,820,593,074.60
  5. Step 5: Solve for x
    x = 274,820,593,074.60/847,314.97
  6. Step 6: Final answer
    x = 324,342.90

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1.5x scale

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.