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Finding the Fourth Proportional to 408,827.70, 613,241.55 and 267,110.10

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Solution

The fourth proportional to 408,827.70, 613,241.55 and 267,110.10 is: 400,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,827.70 : 613,241.55 = 267,110.10 : x
  2. Step 2: Convert to fraction form
    408,827.70/613,241.55 = 267,110.10/x
  3. Step 3: Cross multiply
    408,827.70x = 613,241.55 × 267,110.10
  4. Step 4: Simplify right side
    408,827.70x = 163,803,011,744.66
  5. Step 5: Solve for x
    x = 163,803,011,744.66/408,827.70
  6. Step 6: Final answer
    x = 400,665.15

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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.