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Finding the Fourth Proportional to 576,526.14, 795,553.72 and 321,830.46

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Solution

The fourth proportional to 576,526.14, 795,553.72 and 321,830.46 is: 444,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,526.14 : 795,553.72 = 321,830.46 : x
  2. Step 2: Convert to fraction form
    576,526.14/795,553.72 = 321,830.46/x
  3. Step 3: Cross multiply
    576,526.14x = 795,553.72 × 321,830.46
  4. Step 4: Simplify right side
    576,526.14x = 256,033,419,662.31
  5. Step 5: Solve for x
    x = 256,033,419,662.31/576,526.14
  6. Step 6: Final answer
    x = 444,096.81

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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.