Home / 756,282.82-1,043,656.86-412,121.74

Finding the Fourth Proportional to 756,282.82, 1,043,656.86 and 412,121.74

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Solution

The fourth proportional to 756,282.82, 1,043,656.86 and 412,121.74 is: 568,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,282.82 : 1,043,656.86 = 412,121.74 : x
  2. Step 2: Convert to fraction form
    756,282.82/1,043,656.86 = 412,121.74/x
  3. Step 3: Cross multiply
    756,282.82x = 1,043,656.86 × 412,121.74
  4. Step 4: Simplify right side
    756,282.82x = 430,113,681,106.14
  5. Step 5: Solve for x
    x = 430,113,681,106.14/756,282.82
  6. Step 6: Final answer
    x = 568,720.68

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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.