Home / 928,704.80-1,393,057.20-298,071.20

Finding the Fourth Proportional to 928,704.80, 1,393,057.20 and 298,071.20

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Solution

The fourth proportional to 928,704.80, 1,393,057.20 and 298,071.20 is: 447,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,704.80 : 1,393,057.20 = 298,071.20 : x
  2. Step 2: Convert to fraction form
    928,704.80/1,393,057.20 = 298,071.20/x
  3. Step 3: Cross multiply
    928,704.80x = 1,393,057.20 × 298,071.20
  4. Step 4: Simplify right side
    928,704.80x = 415,230,231,272.64
  5. Step 5: Solve for x
    x = 415,230,231,272.64/928,704.80
  6. Step 6: Final answer
    x = 447,106.80

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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.