Home / 756,745.62-1,044,334.12-450,780.22

Finding the Fourth Proportional to 756,745.62, 1,044,334.12 and 450,780.22

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Solution

The fourth proportional to 756,745.62, 1,044,334.12 and 450,780.22 is: 622,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,745.62 : 1,044,334.12 = 450,780.22 : x
  2. Step 2: Convert to fraction form
    756,745.62/1,044,334.12 = 450,780.22/x
  3. Step 3: Cross multiply
    756,745.62x = 1,044,334.12 × 450,780.22
  4. Step 4: Simplify right side
    756,745.62x = 470,765,164,367.11
  5. Step 5: Solve for x
    x = 470,765,164,367.11/756,745.62
  6. Step 6: Final answer
    x = 622,091.69

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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.