Home / 794,221.80-1,191,076.56-261,616.20

Finding the Fourth Proportional to 794,221.80, 1,191,076.56 and 261,616.20

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Solution

The fourth proportional to 794,221.80, 1,191,076.56 and 261,616.20 is: 392,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,221.80 : 1,191,076.56 = 261,616.20 : x
  2. Step 2: Convert to fraction form
    794,221.80/1,191,076.56 = 261,616.20/x
  3. Step 3: Cross multiply
    794,221.80x = 1,191,076.56 × 261,616.20
  4. Step 4: Simplify right side
    794,221.80x = 311,604,923,536.27
  5. Step 5: Solve for x
    x = 311,604,923,536.27/794,221.80
  6. Step 6: Final answer
    x = 392,339.93

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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.