Home / 681,131.70-1,021,697.55-366,203.70

Finding the Fourth Proportional to 681,131.70, 1,021,697.55 and 366,203.70

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Solution

The fourth proportional to 681,131.70, 1,021,697.55 and 366,203.70 is: 549,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,131.70 : 1,021,697.55 = 366,203.70 : x
  2. Step 2: Convert to fraction form
    681,131.70/1,021,697.55 = 366,203.70/x
  3. Step 3: Cross multiply
    681,131.70x = 1,021,697.55 × 366,203.70
  4. Step 4: Simplify right side
    681,131.70x = 374,149,423,090.94
  5. Step 5: Solve for x
    x = 374,149,423,090.94/681,131.70
  6. Step 6: Final answer
    x = 549,305.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.