Home / 778,922.20-1,168,820.70-329,566.60

Finding the Fourth Proportional to 778,922.20, 1,168,820.70 and 329,566.60

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Solution

The fourth proportional to 778,922.20, 1,168,820.70 and 329,566.60 is: 494,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,922.20 : 1,168,820.70 = 329,566.60 : x
  2. Step 2: Convert to fraction form
    778,922.20/1,168,820.70 = 329,566.60/x
  3. Step 3: Cross multiply
    778,922.20x = 1,168,820.70 × 329,566.60
  4. Step 4: Simplify right side
    778,922.20x = 385,204,264,108.62
  5. Step 5: Solve for x
    x = 385,204,264,108.62/778,922.20
  6. Step 6: Final answer
    x = 494,534.97

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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.