Home / 680,487.48-1,020,778.20-231,024.96

Finding the Fourth Proportional to 680,487.48, 1,020,778.20 and 231,024.96

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Solution

The fourth proportional to 680,487.48, 1,020,778.20 and 231,024.96 is: 346,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,487.48 : 1,020,778.20 = 231,024.96 : x
  2. Step 2: Convert to fraction form
    680,487.48/1,020,778.20 = 231,024.96/x
  3. Step 3: Cross multiply
    680,487.48x = 1,020,778.20 × 231,024.96
  4. Step 4: Simplify right side
    680,487.48x = 235,825,242,823.87
  5. Step 5: Solve for x
    x = 235,825,242,823.87/680,487.48
  6. Step 6: Final answer
    x = 346,553.39

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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.