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Finding the Fourth Proportional to 647,730.44, 970,294.44 and 322,538.82

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Solution

The fourth proportional to 647,730.44, 970,294.44 and 322,538.82 is: 483,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,730.44 : 970,294.44 = 322,538.82 : x
  2. Step 2: Convert to fraction form
    647,730.44/970,294.44 = 322,538.82/x
  3. Step 3: Cross multiply
    647,730.44x = 970,294.44 × 322,538.82
  4. Step 4: Simplify right side
    647,730.44x = 312,957,623,730.16
  5. Step 5: Solve for x
    x = 312,957,623,730.16/647,730.44
  6. Step 6: Final answer
    x = 483,160.29

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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.