Home / 548,905.60-823,358.40-268,969.60

Finding the Fourth Proportional to 548,905.60, 823,358.40 and 268,969.60

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Solution

The fourth proportional to 548,905.60, 823,358.40 and 268,969.60 is: 403,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,905.60 : 823,358.40 = 268,969.60 : x
  2. Step 2: Convert to fraction form
    548,905.60/823,358.40 = 268,969.60/x
  3. Step 3: Cross multiply
    548,905.60x = 823,358.40 × 268,969.60
  4. Step 4: Simplify right side
    548,905.60x = 221,458,379,504.64
  5. Step 5: Solve for x
    x = 221,458,379,504.64/548,905.60
  6. Step 6: Final answer
    x = 403,454.40

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Similar ratio
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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.