Home / 513,416.56-769,961.04-176,375.94

Finding the Fourth Proportional to 513,416.56, 769,961.04 and 176,375.94

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Solution

The fourth proportional to 513,416.56, 769,961.04 and 176,375.94 is: 264,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,416.56 : 769,961.04 = 176,375.94 : x
  2. Step 2: Convert to fraction form
    513,416.56/769,961.04 = 176,375.94/x
  3. Step 3: Cross multiply
    513,416.56x = 769,961.04 × 176,375.94
  4. Step 4: Simplify right side
    513,416.56x = 135,802,602,193.38
  5. Step 5: Solve for x
    x = 135,802,602,193.38/513,416.56
  6. Step 6: Final answer
    x = 264,507.64

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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.