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Finding the Fourth Proportional to 647,852.31, 894,035.70 and 361,372.32

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Solution

The fourth proportional to 647,852.31, 894,035.70 and 361,372.32 is: 498,693.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,852.31 : 894,035.70 = 361,372.32 : x
  2. Step 2: Convert to fraction form
    647,852.31/894,035.70 = 361,372.32/x
  3. Step 3: Cross multiply
    647,852.31x = 894,035.70 × 361,372.32
  4. Step 4: Simplify right side
    647,852.31x = 323,079,755,071.82
  5. Step 5: Solve for x
    x = 323,079,755,071.82/647,852.31
  6. Step 6: Final answer
    x = 498,693.53

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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.