Home / 535,989.05-739,631.75-294,270.27

Finding the Fourth Proportional to 535,989.05, 739,631.75 and 294,270.27

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Solution

The fourth proportional to 535,989.05, 739,631.75 and 294,270.27 is: 406,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,989.05 : 739,631.75 = 294,270.27 : x
  2. Step 2: Convert to fraction form
    535,989.05/739,631.75 = 294,270.27/x
  3. Step 3: Cross multiply
    535,989.05x = 739,631.75 × 294,270.27
  4. Step 4: Simplify right side
    535,989.05x = 217,651,633,301.72
  5. Step 5: Solve for x
    x = 217,651,633,301.72/535,989.05
  6. Step 6: Final answer
    x = 406,074.78

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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.