Home / 741,189.72-1,022,841.75-401,657.97

Finding the Fourth Proportional to 741,189.72, 1,022,841.75 and 401,657.97

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Solution

The fourth proportional to 741,189.72, 1,022,841.75 and 401,657.97 is: 554,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,189.72 : 1,022,841.75 = 401,657.97 : x
  2. Step 2: Convert to fraction form
    741,189.72/1,022,841.75 = 401,657.97/x
  3. Step 3: Cross multiply
    741,189.72x = 1,022,841.75 × 401,657.97
  4. Step 4: Simplify right side
    741,189.72x = 410,832,540,936.25
  5. Step 5: Solve for x
    x = 410,832,540,936.25/741,189.72
  6. Step 6: Final answer
    x = 554,287.96

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1.5x scale

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.