Home / 756,397.74-1,043,814.78-412,236.48

Finding the Fourth Proportional to 756,397.74, 1,043,814.78 and 412,236.48

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Solution

The fourth proportional to 756,397.74, 1,043,814.78 and 412,236.48 is: 568,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,397.74 : 1,043,814.78 = 412,236.48 : x
  2. Step 2: Convert to fraction form
    756,397.74/1,043,814.78 = 412,236.48/x
  3. Step 3: Cross multiply
    756,397.74x = 1,043,814.78 × 412,236.48
  4. Step 4: Simplify right side
    756,397.74x = 430,298,530,679.17
  5. Step 5: Solve for x
    x = 430,298,530,679.17/756,397.74
  6. Step 6: Final answer
    x = 568,878.66

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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.