Home / 816,537.88-1,224,642.30-512,796.37

Finding the Fourth Proportional to 816,537.88, 1,224,642.30 and 512,796.37

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Solution

The fourth proportional to 816,537.88, 1,224,642.30 and 512,796.37 is: 769,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,537.88 : 1,224,642.30 = 512,796.37 : x
  2. Step 2: Convert to fraction form
    816,537.88/1,224,642.30 = 512,796.37/x
  3. Step 3: Cross multiply
    816,537.88x = 1,224,642.30 × 512,796.37
  4. Step 4: Simplify right side
    816,537.88x = 627,992,125,988.45
  5. Step 5: Solve for x
    x = 627,992,125,988.45/816,537.88
  6. Step 6: Final answer
    x = 769,091.23

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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.