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Finding the Fourth Proportional to 607,892.22, 911,090.93 and 341,092.22

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Solution

The fourth proportional to 607,892.22, 911,090.93 and 341,092.22 is: 511,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,892.22 : 911,090.93 = 341,092.22 : x
  2. Step 2: Convert to fraction form
    607,892.22/911,090.93 = 341,092.22/x
  3. Step 3: Cross multiply
    607,892.22x = 911,090.93 × 341,092.22
  4. Step 4: Simplify right side
    607,892.22x = 310,766,021,674.65
  5. Step 5: Solve for x
    x = 310,766,021,674.65/607,892.22
  6. Step 6: Final answer
    x = 511,218.95

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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.