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Finding the Fourth Proportional to 636,600.53, 955,321.46 and 299,737.51

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Solution

The fourth proportional to 636,600.53, 955,321.46 and 299,737.51 is: 449,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,600.53 : 955,321.46 = 299,737.51 : x
  2. Step 2: Convert to fraction form
    636,600.53/955,321.46 = 299,737.51/x
  3. Step 3: Cross multiply
    636,600.53x = 955,321.46 × 299,737.51
  4. Step 4: Simplify right side
    636,600.53x = 286,345,675,669.97
  5. Step 5: Solve for x
    x = 286,345,675,669.97/636,600.53
  6. Step 6: Final answer
    x = 449,804.33

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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.