Home / 756,786.10-1,044,372.96-412,619.22

Finding the Fourth Proportional to 756,786.10, 1,044,372.96 and 412,619.22

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Solution

The fourth proportional to 756,786.10, 1,044,372.96 and 412,619.22 is: 569,418.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,786.10 : 1,044,372.96 = 412,619.22 : x
  2. Step 2: Convert to fraction form
    756,786.10/1,044,372.96 = 412,619.22/x
  3. Step 3: Cross multiply
    756,786.10x = 1,044,372.96 × 412,619.22
  4. Step 4: Simplify right side
    756,786.10x = 430,928,356,144.29
  5. Step 5: Solve for x
    x = 430,928,356,144.29/756,786.10
  6. Step 6: Final answer
    x = 569,418.96

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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.