Home / 794,487.72-1,191,478.50-261,909.48

Finding the Fourth Proportional to 794,487.72, 1,191,478.50 and 261,909.48

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Solution

The fourth proportional to 794,487.72, 1,191,478.50 and 261,909.48 is: 392,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,487.72 : 1,191,478.50 = 261,909.48 : x
  2. Step 2: Convert to fraction form
    794,487.72/1,191,478.50 = 261,909.48/x
  3. Step 3: Cross multiply
    794,487.72x = 1,191,478.50 × 261,909.48
  4. Step 4: Simplify right side
    794,487.72x = 312,059,514,366.18
  5. Step 5: Solve for x
    x = 312,059,514,366.18/794,487.72
  6. Step 6: Final answer
    x = 392,780.79

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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.