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Finding the Fourth Proportional to 508,880.56, 702,257.09 and 276,307.85

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Solution

The fourth proportional to 508,880.56, 702,257.09 and 276,307.85 is: 381,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,880.56 : 702,257.09 = 276,307.85 : x
  2. Step 2: Convert to fraction form
    508,880.56/702,257.09 = 276,307.85/x
  3. Step 3: Cross multiply
    508,880.56x = 702,257.09 × 276,307.85
  4. Step 4: Simplify right side
    508,880.56x = 194,039,147,375.93
  5. Step 5: Solve for x
    x = 194,039,147,375.93/508,880.56
  6. Step 6: Final answer
    x = 381,305.87

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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.