Home / 808,109.76-1,115,241.54-445,532.94

Finding the Fourth Proportional to 808,109.76, 1,115,241.54 and 445,532.94

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Solution

The fourth proportional to 808,109.76, 1,115,241.54 and 445,532.94 is: 614,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,109.76 : 1,115,241.54 = 445,532.94 : x
  2. Step 2: Convert to fraction form
    808,109.76/1,115,241.54 = 445,532.94/x
  3. Step 3: Cross multiply
    808,109.76x = 1,115,241.54 × 445,532.94
  4. Step 4: Simplify right side
    808,109.76x = 496,876,842,126.33
  5. Step 5: Solve for x
    x = 496,876,842,126.33/808,109.76
  6. Step 6: Final answer
    x = 614,863.06

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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.