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Finding the Fourth Proportional to 580,308.18, 800,860.83 and 325,659.39

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Solution

The fourth proportional to 580,308.18, 800,860.83 and 325,659.39 is: 449,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,308.18 : 800,860.83 = 325,659.39 : x
  2. Step 2: Convert to fraction form
    580,308.18/800,860.83 = 325,659.39/x
  3. Step 3: Cross multiply
    580,308.18x = 800,860.83 × 325,659.39
  4. Step 4: Simplify right side
    580,308.18x = 260,807,849,372.69
  5. Step 5: Solve for x
    x = 260,807,849,372.69/580,308.18
  6. Step 6: Final answer
    x = 449,429.90

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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.