Home / 787,251.13-1,180,811.71-218,645.59

Finding the Fourth Proportional to 787,251.13, 1,180,811.71 and 218,645.59

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Solution

The fourth proportional to 787,251.13, 1,180,811.71 and 218,645.59 is: 327,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,251.13 : 1,180,811.71 = 218,645.59 : x
  2. Step 2: Convert to fraction form
    787,251.13/1,180,811.71 = 218,645.59/x
  3. Step 3: Cross multiply
    787,251.13x = 1,180,811.71 × 218,645.59
  4. Step 4: Simplify right side
    787,251.13x = 258,179,273,011.86
  5. Step 5: Solve for x
    x = 258,179,273,011.86/787,251.13
  6. Step 6: Final answer
    x = 327,950.34

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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.