Home / 756,550.21-1,044,007.86-412,378.57

Finding the Fourth Proportional to 756,550.21, 1,044,007.86 and 412,378.57

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Solution

The fourth proportional to 756,550.21, 1,044,007.86 and 412,378.57 is: 569,065.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,550.21 : 1,044,007.86 = 412,378.57 : x
  2. Step 2: Convert to fraction form
    756,550.21/1,044,007.86 = 412,378.57/x
  3. Step 3: Cross multiply
    756,550.21x = 1,044,007.86 × 412,378.57
  4. Step 4: Simplify right side
    756,550.21x = 430,526,468,375.56
  5. Step 5: Solve for x
    x = 430,526,468,375.56/756,550.21
  6. Step 6: Final answer
    x = 569,065.29

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1.5x scale

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.