Home / 787,004.73-1,180,375.02-218,443.59

Finding the Fourth Proportional to 787,004.73, 1,180,375.02 and 218,443.59

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Solution

The fourth proportional to 787,004.73, 1,180,375.02 and 218,443.59 is: 327,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,004.73 : 1,180,375.02 = 218,443.59 : x
  2. Step 2: Convert to fraction form
    787,004.73/1,180,375.02 = 218,443.59/x
  3. Step 3: Cross multiply
    787,004.73x = 1,180,375.02 × 218,443.59
  4. Step 4: Simplify right side
    787,004.73x = 257,845,356,915.12
  5. Step 5: Solve for x
    x = 257,845,356,915.12/787,004.73
  6. Step 6: Final answer
    x = 327,628.73

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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.