Home / 961,993.21-1,326,972.22-635,309.23

Finding the Fourth Proportional to 961,993.21, 1,326,972.22 and 635,309.23

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Solution

The fourth proportional to 961,993.21, 1,326,972.22 and 635,309.23 is: 876,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,993.21 : 1,326,972.22 = 635,309.23 : x
  2. Step 2: Convert to fraction form
    961,993.21/1,326,972.22 = 635,309.23/x
  3. Step 3: Cross multiply
    961,993.21x = 1,326,972.22 × 635,309.23
  4. Step 4: Simplify right side
    961,993.21x = 843,037,699,319.59
  5. Step 5: Solve for x
    x = 843,037,699,319.59/961,993.21
  6. Step 6: Final answer
    x = 876,344.75

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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.