Home / 627,748.90-941,623.35-228,840.10

Finding the Fourth Proportional to 627,748.90, 941,623.35 and 228,840.10

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Solution

The fourth proportional to 627,748.90, 941,623.35 and 228,840.10 is: 343,260.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,748.90 : 941,623.35 = 228,840.10 : x
  2. Step 2: Convert to fraction form
    627,748.90/941,623.35 = 228,840.10/x
  3. Step 3: Cross multiply
    627,748.90x = 941,623.35 × 228,840.10
  4. Step 4: Simplify right side
    627,748.90x = 215,481,181,576.34
  5. Step 5: Solve for x
    x = 215,481,181,576.34/627,748.90
  6. Step 6: Final answer
    x = 343,260.15

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Double scale
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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.