Home / 771,748.70-1,157,753.23-266,174.44

Finding the Fourth Proportional to 771,748.70, 1,157,753.23 and 266,174.44

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Solution

The fourth proportional to 771,748.70, 1,157,753.23 and 266,174.44 is: 399,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,748.70 : 1,157,753.23 = 266,174.44 : x
  2. Step 2: Convert to fraction form
    771,748.70/1,157,753.23 = 266,174.44/x
  3. Step 3: Cross multiply
    771,748.70x = 1,157,753.23 × 266,174.44
  4. Step 4: Simplify right side
    771,748.70x = 308,164,314,093.62
  5. Step 5: Solve for x
    x = 308,164,314,093.62/771,748.70
  6. Step 6: Final answer
    x = 399,306.56

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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.