Home / 756,345.44-1,043,756.88-412,181.46

Finding the Fourth Proportional to 756,345.44, 1,043,756.88 and 412,181.46

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Solution

The fourth proportional to 756,345.44, 1,043,756.88 and 412,181.46 is: 568,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,345.44 : 1,043,756.88 = 412,181.46 : x
  2. Step 2: Convert to fraction form
    756,345.44/1,043,756.88 = 412,181.46/x
  3. Step 3: Cross multiply
    756,345.44x = 1,043,756.88 × 412,181.46
  4. Step 4: Simplify right side
    756,345.44x = 430,217,234,683.45
  5. Step 5: Solve for x
    x = 430,217,234,683.45/756,345.44
  6. Step 6: Final answer
    x = 568,810.51

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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.