Home / 874,104.98-1,206,104.78-486,910.76

Finding the Fourth Proportional to 874,104.98, 1,206,104.78 and 486,910.76

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Solution

The fourth proportional to 874,104.98, 1,206,104.78 and 486,910.76 is: 671,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,104.98 : 1,206,104.78 = 486,910.76 : x
  2. Step 2: Convert to fraction form
    874,104.98/1,206,104.78 = 486,910.76/x
  3. Step 3: Cross multiply
    874,104.98x = 1,206,104.78 × 486,910.76
  4. Step 4: Simplify right side
    874,104.98x = 587,265,395,069.43
  5. Step 5: Solve for x
    x = 587,265,395,069.43/874,104.98
  6. Step 6: Final answer
    x = 671,847.67

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Double scale
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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.