Home / 809,045.78-1,214,110.35-335,731.59

Finding the Fourth Proportional to 809,045.78, 1,214,110.35 and 335,731.59

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Solution

The fourth proportional to 809,045.78, 1,214,110.35 and 335,731.59 is: 503,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,045.78 : 1,214,110.35 = 335,731.59 : x
  2. Step 2: Convert to fraction form
    809,045.78/1,214,110.35 = 335,731.59/x
  3. Step 3: Cross multiply
    809,045.78x = 1,214,110.35 × 335,731.59
  4. Step 4: Simplify right side
    809,045.78x = 407,615,198,240.96
  5. Step 5: Solve for x
    x = 407,615,198,240.96/809,045.78
  6. Step 6: Final answer
    x = 503,822.17

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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.