Home / 801,187.66-1,106,388.42-515,204.62

Finding the Fourth Proportional to 801,187.66, 1,106,388.42 and 515,204.62

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Solution

The fourth proportional to 801,187.66, 1,106,388.42 and 515,204.62 is: 711,464.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,187.66 : 1,106,388.42 = 515,204.62 : x
  2. Step 2: Convert to fraction form
    801,187.66/1,106,388.42 = 515,204.62/x
  3. Step 3: Cross multiply
    801,187.66x = 1,106,388.42 × 515,204.62
  4. Step 4: Simplify right side
    801,187.66x = 570,016,425,498.50
  5. Step 5: Solve for x
    x = 570,016,425,498.50/801,187.66
  6. Step 6: Final answer
    x = 711,464.31

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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.