Home / 726,999.75-1,090,514.21-194,519.93

Finding the Fourth Proportional to 726,999.75, 1,090,514.21 and 194,519.93

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Solution

The fourth proportional to 726,999.75, 1,090,514.21 and 194,519.93 is: 291,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,999.75 : 1,090,514.21 = 194,519.93 : x
  2. Step 2: Convert to fraction form
    726,999.75/1,090,514.21 = 194,519.93/x
  3. Step 3: Cross multiply
    726,999.75x = 1,090,514.21 × 194,519.93
  4. Step 4: Simplify right side
    726,999.75x = 212,126,747,793.21
  5. Step 5: Solve for x
    x = 212,126,747,793.21/726,999.75
  6. Step 6: Final answer
    x = 291,783.80

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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.