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Finding the Fourth Proportional to 521,567.10, 782,350.65 and 322,276.73

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Solution

The fourth proportional to 521,567.10, 782,350.65 and 322,276.73 is: 483,415.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,567.10 : 782,350.65 = 322,276.73 : x
  2. Step 2: Convert to fraction form
    521,567.10/782,350.65 = 322,276.73/x
  3. Step 3: Cross multiply
    521,567.10x = 782,350.65 × 322,276.73
  4. Step 4: Simplify right side
    521,567.10x = 252,133,405,283.62
  5. Step 5: Solve for x
    x = 252,133,405,283.62/521,567.10
  6. Step 6: Final answer
    x = 483,415.09

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Similar ratio
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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.