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Finding the Fourth Proportional to 567,620.55, 850,467.33 and 342,507.96

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Solution

The fourth proportional to 567,620.55, 850,467.33 and 342,507.96 is: 513,180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,620.55 : 850,467.33 = 342,507.96 : x
  2. Step 2: Convert to fraction form
    567,620.55/850,467.33 = 342,507.96/x
  3. Step 3: Cross multiply
    567,620.55x = 850,467.33 × 342,507.96
  4. Step 4: Simplify right side
    567,620.55x = 291,291,830,244.95
  5. Step 5: Solve for x
    x = 291,291,830,244.95/567,620.55
  6. Step 6: Final answer
    x = 513,180.56

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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.