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Finding the Fourth Proportional to 479,575.54, 661,814.31 and 264,715.65

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Solution

The fourth proportional to 479,575.54, 661,814.31 and 264,715.65 is: 365,307.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,575.54 : 661,814.31 = 264,715.65 : x
  2. Step 2: Convert to fraction form
    479,575.54/661,814.31 = 264,715.65/x
  3. Step 3: Cross multiply
    479,575.54x = 661,814.31 × 264,715.65
  4. Step 4: Simplify right side
    479,575.54x = 175,192,605,250.95
  5. Step 5: Solve for x
    x = 175,192,605,250.95/479,575.54
  6. Step 6: Final answer
    x = 365,307.63

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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.