Home / 741,295.36-1,022,978.46-401,756.32

Finding the Fourth Proportional to 741,295.36, 1,022,978.46 and 401,756.32

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Solution

The fourth proportional to 741,295.36, 1,022,978.46 and 401,756.32 is: 554,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,295.36 : 1,022,978.46 = 401,756.32 : x
  2. Step 2: Convert to fraction form
    741,295.36/1,022,978.46 = 401,756.32/x
  3. Step 3: Cross multiply
    741,295.36x = 1,022,978.46 × 401,756.32
  4. Step 4: Simplify right side
    741,295.36x = 410,988,061,528.87
  5. Step 5: Solve for x
    x = 410,988,061,528.87/741,295.36
  6. Step 6: Final answer
    x = 554,418.77

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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.