Home / 885,375.66-1,327,274.55-324,278.94

Finding the Fourth Proportional to 885,375.66, 1,327,274.55 and 324,278.94

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Solution

The fourth proportional to 885,375.66, 1,327,274.55 and 324,278.94 is: 486,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,375.66 : 1,327,274.55 = 324,278.94 : x
  2. Step 2: Convert to fraction form
    885,375.66/1,327,274.55 = 324,278.94/x
  3. Step 3: Cross multiply
    885,375.66x = 1,327,274.55 × 324,278.94
  4. Step 4: Simplify right side
    885,375.66x = 430,407,184,162.98
  5. Step 5: Solve for x
    x = 430,407,184,162.98/885,375.66
  6. Step 6: Final answer
    x = 486,129.45

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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.