Home / 788,803.20-1,183,204.80-368,121.60

Finding the Fourth Proportional to 788,803.20, 1,183,204.80 and 368,121.60

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Solution

The fourth proportional to 788,803.20, 1,183,204.80 and 368,121.60 is: 552,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,803.20 : 1,183,204.80 = 368,121.60 : x
  2. Step 2: Convert to fraction form
    788,803.20/1,183,204.80 = 368,121.60/x
  3. Step 3: Cross multiply
    788,803.20x = 1,183,204.80 × 368,121.60
  4. Step 4: Simplify right side
    788,803.20x = 435,563,244,103.68
  5. Step 5: Solve for x
    x = 435,563,244,103.68/788,803.20
  6. Step 6: Final answer
    x = 552,182.40

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Similar ratio
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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.