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Finding the Fourth Proportional to 627,772.90, 941,659.35 and 449,904.10

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Solution

The fourth proportional to 627,772.90, 941,659.35 and 449,904.10 is: 674,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,772.90 : 941,659.35 = 449,904.10 : x
  2. Step 2: Convert to fraction form
    627,772.90/941,659.35 = 449,904.10/x
  3. Step 3: Cross multiply
    627,772.90x = 941,659.35 × 449,904.10
  4. Step 4: Simplify right side
    627,772.90x = 423,656,402,368.34
  5. Step 5: Solve for x
    x = 423,656,402,368.34/627,772.90
  6. Step 6: Final answer
    x = 674,856.15

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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.