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Finding the Fourth Proportional to 647,603.67, 970,817.42 and 226,649.91

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Solution

The fourth proportional to 647,603.67, 970,817.42 and 226,649.91 is: 339,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,603.67 : 970,817.42 = 226,649.91 : x
  2. Step 2: Convert to fraction form
    647,603.67/970,817.42 = 226,649.91/x
  3. Step 3: Cross multiply
    647,603.67x = 970,817.42 × 226,649.91
  4. Step 4: Simplify right side
    647,603.67x = 220,035,679,736.18
  5. Step 5: Solve for x
    x = 220,035,679,736.18/647,603.67
  6. Step 6: Final answer
    x = 339,769.04

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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.