Home / 778,959.60-1,168,324.20-218,050.80

Finding the Fourth Proportional to 778,959.60, 1,168,324.20 and 218,050.80

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Solution

The fourth proportional to 778,959.60, 1,168,324.20 and 218,050.80 is: 327,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,959.60 : 1,168,324.20 = 218,050.80 : x
  2. Step 2: Convert to fraction form
    778,959.60/1,168,324.20 = 218,050.80/x
  3. Step 3: Cross multiply
    778,959.60x = 1,168,324.20 × 218,050.80
  4. Step 4: Simplify right side
    778,959.60x = 254,754,026,469.36
  5. Step 5: Solve for x
    x = 254,754,026,469.36/778,959.60
  6. Step 6: Final answer
    x = 327,043.95

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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.