Home / 834,917.25-1,251,379.43-455,933.39

Finding the Fourth Proportional to 834,917.25, 1,251,379.43 and 455,933.39

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Solution

The fourth proportional to 834,917.25, 1,251,379.43 and 455,933.39 is: 683,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,917.25 : 1,251,379.43 = 455,933.39 : x
  2. Step 2: Convert to fraction form
    834,917.25/1,251,379.43 = 455,933.39/x
  3. Step 3: Cross multiply
    834,917.25x = 1,251,379.43 × 455,933.39
  4. Step 4: Simplify right side
    834,917.25x = 570,545,665,908.36
  5. Step 5: Solve for x
    x = 570,545,665,908.36/834,917.25
  6. Step 6: Final answer
    x = 683,355.94

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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.