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Finding the Fourth Proportional to 507,955.85, 701,001.23 and 303,967.97

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Solution

The fourth proportional to 507,955.85, 701,001.23 and 303,967.97 is: 419,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,955.85 : 701,001.23 = 303,967.97 : x
  2. Step 2: Convert to fraction form
    507,955.85/701,001.23 = 303,967.97/x
  3. Step 3: Cross multiply
    507,955.85x = 701,001.23 × 303,967.97
  4. Step 4: Simplify right side
    507,955.85x = 213,081,920,850.60
  5. Step 5: Solve for x
    x = 213,081,920,850.60/507,955.85
  6. Step 6: Final answer
    x = 419,489.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.