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Finding the Fourth Proportional to 665,600.90, 998,401.35 and 506,168.60

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Solution

The fourth proportional to 665,600.90, 998,401.35 and 506,168.60 is: 759,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,600.90 : 998,401.35 = 506,168.60 : x
  2. Step 2: Convert to fraction form
    665,600.90/998,401.35 = 506,168.60/x
  3. Step 3: Cross multiply
    665,600.90x = 998,401.35 × 506,168.60
  4. Step 4: Simplify right side
    665,600.90x = 505,359,413,567.61
  5. Step 5: Solve for x
    x = 505,359,413,567.61/665,600.90
  6. Step 6: Final answer
    x = 759,252.90

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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.