Home / 757,019.12-1,044,687.36-412,855.78

Finding the Fourth Proportional to 757,019.12, 1,044,687.36 and 412,855.78

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Solution

The fourth proportional to 757,019.12, 1,044,687.36 and 412,855.78 is: 569,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,019.12 : 1,044,687.36 = 412,855.78 : x
  2. Step 2: Convert to fraction form
    757,019.12/1,044,687.36 = 412,855.78/x
  3. Step 3: Cross multiply
    757,019.12x = 1,044,687.36 × 412,855.78
  4. Step 4: Simplify right side
    757,019.12x = 431,305,214,868.94
  5. Step 5: Solve for x
    x = 431,305,214,868.94/757,019.12
  6. Step 6: Final answer
    x = 569,741.51

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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.