Home / 787,088.88-1,180,343.52-281,512.80

Finding the Fourth Proportional to 787,088.88, 1,180,343.52 and 281,512.80

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Solution

The fourth proportional to 787,088.88, 1,180,343.52 and 281,512.80 is: 422,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,088.88 : 1,180,343.52 = 281,512.80 : x
  2. Step 2: Convert to fraction form
    787,088.88/1,180,343.52 = 281,512.80/x
  3. Step 3: Cross multiply
    787,088.88x = 1,180,343.52 × 281,512.80
  4. Step 4: Simplify right side
    787,088.88x = 332,281,809,277.06
  5. Step 5: Solve for x
    x = 332,281,809,277.06/787,088.88
  6. Step 6: Final answer
    x = 422,165.55

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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.