Home / 842,042.15-1,263,376.89-505,324.34

Finding the Fourth Proportional to 842,042.15, 1,263,376.89 and 505,324.34

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Solution

The fourth proportional to 842,042.15, 1,263,376.89 and 505,324.34 is: 758,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,042.15 : 1,263,376.89 = 505,324.34 : x
  2. Step 2: Convert to fraction form
    842,042.15/1,263,376.89 = 505,324.34/x
  3. Step 3: Cross multiply
    842,042.15x = 1,263,376.89 × 505,324.34
  4. Step 4: Simplify right side
    842,042.15x = 638,415,086,793.62
  5. Step 5: Solve for x
    x = 638,415,086,793.62/842,042.15
  6. Step 6: Final answer
    x = 758,174.74

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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.