Home / 757,615.80-1,137,735.90-403,321.80

Finding the Fourth Proportional to 757,615.80, 1,137,735.90 and 403,321.80

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Solution

The fourth proportional to 757,615.80, 1,137,735.90 and 403,321.80 is: 605,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,615.80 : 1,137,735.90 = 403,321.80 : x
  2. Step 2: Convert to fraction form
    757,615.80/1,137,735.90 = 403,321.80/x
  3. Step 3: Cross multiply
    757,615.80x = 1,137,735.90 × 403,321.80
  4. Step 4: Simplify right side
    757,615.80x = 458,873,691,112.62
  5. Step 5: Solve for x
    x = 458,873,691,112.62/757,615.80
  6. Step 6: Final answer
    x = 605,681.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.