Home / 740,997-1,022,576.88-401,465.28

Finding the Fourth Proportional to 740,997, 1,022,576.88 and 401,465.28

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Solution

The fourth proportional to 740,997, 1,022,576.88 and 401,465.28 is: 554,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,997 : 1,022,576.88 = 401,465.28 : x
  2. Step 2: Convert to fraction form
    740,997/1,022,576.88 = 401,465.28/x
  3. Step 3: Cross multiply
    740,997x = 1,022,576.88 × 401,465.28
  4. Step 4: Simplify right side
    740,997x = 410,529,113,450.73
  5. Step 5: Solve for x
    x = 410,529,113,450.73/740,997
  6. Step 6: Final answer
    x = 554,022.64

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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.