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Finding the Fourth Proportional to 559,634.37, 772,272.90 and 304,980.09

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Solution

The fourth proportional to 559,634.37, 772,272.90 and 304,980.09 is: 420,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,634.37 : 772,272.90 = 304,980.09 : x
  2. Step 2: Convert to fraction form
    559,634.37/772,272.90 = 304,980.09/x
  3. Step 3: Cross multiply
    559,634.37x = 772,272.90 × 304,980.09
  4. Step 4: Simplify right side
    559,634.37x = 235,527,858,546.56
  5. Step 5: Solve for x
    x = 235,527,858,546.56/559,634.37
  6. Step 6: Final answer
    x = 420,860.25

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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.