Home / 815,884.80-1,223,827.20-733,216.20

Finding the Fourth Proportional to 815,884.80, 1,223,827.20 and 733,216.20

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Solution

The fourth proportional to 815,884.80, 1,223,827.20 and 733,216.20 is: 1,099,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,884.80 : 1,223,827.20 = 733,216.20 : x
  2. Step 2: Convert to fraction form
    815,884.80/1,223,827.20 = 733,216.20/x
  3. Step 3: Cross multiply
    815,884.80x = 1,223,827.20 × 733,216.20
  4. Step 4: Simplify right side
    815,884.80x = 897,329,929,040.64
  5. Step 5: Solve for x
    x = 897,329,929,040.64/815,884.80
  6. Step 6: Final answer
    x = 1,099,824.30

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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.