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Finding the Fourth Proportional to 567,008.10, 850,512.15 and 427,040.10

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Solution

The fourth proportional to 567,008.10, 850,512.15 and 427,040.10 is: 640,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,008.10 : 850,512.15 = 427,040.10 : x
  2. Step 2: Convert to fraction form
    567,008.10/850,512.15 = 427,040.10/x
  3. Step 3: Cross multiply
    567,008.10x = 850,512.15 × 427,040.10
  4. Step 4: Simplify right side
    567,008.10x = 363,202,793,587.22
  5. Step 5: Solve for x
    x = 363,202,793,587.22/567,008.10
  6. Step 6: Final answer
    x = 640,560.15

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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.