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Finding the Fourth Proportional to 494,752.16, 682,700.32 and 276,972.72

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Solution

The fourth proportional to 494,752.16, 682,700.32 and 276,972.72 is: 382,190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,752.16 : 682,700.32 = 276,972.72 : x
  2. Step 2: Convert to fraction form
    494,752.16/682,700.32 = 276,972.72/x
  3. Step 3: Cross multiply
    494,752.16x = 682,700.32 × 276,972.72
  4. Step 4: Simplify right side
    494,752.16x = 189,089,364,575.27
  5. Step 5: Solve for x
    x = 189,089,364,575.27/494,752.16
  6. Step 6: Final answer
    x = 382,190.07

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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.