Home / 535,434.62-738,892.87-305,989.27

Finding the Fourth Proportional to 535,434.62, 738,892.87 and 305,989.27

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Solution

The fourth proportional to 535,434.62, 738,892.87 and 305,989.27 is: 422,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,434.62 : 738,892.87 = 305,989.27 : x
  2. Step 2: Convert to fraction form
    535,434.62/738,892.87 = 305,989.27/x
  3. Step 3: Cross multiply
    535,434.62x = 738,892.87 × 305,989.27
  4. Step 4: Simplify right side
    535,434.62x = 226,093,287,287.30
  5. Step 5: Solve for x
    x = 226,093,287,287.30/535,434.62
  6. Step 6: Final answer
    x = 422,261.25

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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.