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Finding the Fourth Proportional to 535,599, 739,126.62 and 297,135

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Solution

The fourth proportional to 535,599, 739,126.62 and 297,135 is: 410,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,599 : 739,126.62 = 297,135 : x
  2. Step 2: Convert to fraction form
    535,599/739,126.62 = 297,135/x
  3. Step 3: Cross multiply
    535,599x = 739,126.62 × 297,135
  4. Step 4: Simplify right side
    535,599x = 219,620,388,233.70
  5. Step 5: Solve for x
    x = 219,620,388,233.70/535,599
  6. Step 6: Final answer
    x = 410,046.30

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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.