Home / 493,838.36-681,487.10-276,045.96

Finding the Fourth Proportional to 493,838.36, 681,487.10 and 276,045.96

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Solution

The fourth proportional to 493,838.36, 681,487.10 and 276,045.96 is: 380,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,838.36 : 681,487.10 = 276,045.96 : x
  2. Step 2: Convert to fraction form
    493,838.36/681,487.10 = 276,045.96/x
  3. Step 3: Cross multiply
    493,838.36x = 681,487.10 × 276,045.96
  4. Step 4: Simplify right side
    493,838.36x = 188,121,760,747.12
  5. Step 5: Solve for x
    x = 188,121,760,747.12/493,838.36
  6. Step 6: Final answer
    x = 380,937.93

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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.