Home / 756,276.32-1,043,647.94-412,115.28

Finding the Fourth Proportional to 756,276.32, 1,043,647.94 and 412,115.28

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Solution

The fourth proportional to 756,276.32, 1,043,647.94 and 412,115.28 is: 568,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,276.32 : 1,043,647.94 = 412,115.28 : x
  2. Step 2: Convert to fraction form
    756,276.32/1,043,647.94 = 412,115.28/x
  3. Step 3: Cross multiply
    756,276.32x = 1,043,647.94 × 412,115.28
  4. Step 4: Simplify right side
    756,276.32x = 430,103,263,014.52
  5. Step 5: Solve for x
    x = 430,103,263,014.52/756,276.32
  6. Step 6: Final answer
    x = 568,711.79

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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.