Home / 627,749.20-941,623.80-207,002.80

Finding the Fourth Proportional to 627,749.20, 941,623.80 and 207,002.80

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Solution

The fourth proportional to 627,749.20, 941,623.80 and 207,002.80 is: 310,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,749.20 : 941,623.80 = 207,002.80 : x
  2. Step 2: Convert to fraction form
    627,749.20/941,623.80 = 207,002.80/x
  3. Step 3: Cross multiply
    627,749.20x = 941,623.80 × 207,002.80
  4. Step 4: Simplify right side
    627,749.20x = 194,918,763,146.64
  5. Step 5: Solve for x
    x = 194,918,763,146.64/627,749.20
  6. Step 6: Final answer
    x = 310,504.20

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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.