Home / 778,963.20-1,168,882.20-329,607.60

Finding the Fourth Proportional to 778,963.20, 1,168,882.20 and 329,607.60

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Solution

The fourth proportional to 778,963.20, 1,168,882.20 and 329,607.60 is: 494,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,963.20 : 1,168,882.20 = 329,607.60 : x
  2. Step 2: Convert to fraction form
    778,963.20/1,168,882.20 = 329,607.60/x
  3. Step 3: Cross multiply
    778,963.20x = 1,168,882.20 × 329,607.60
  4. Step 4: Simplify right side
    778,963.20x = 385,272,456,624.72
  5. Step 5: Solve for x
    x = 385,272,456,624.72/778,963.20
  6. Step 6: Final answer
    x = 494,596.48

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1.5x scale

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.