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Finding the Fourth Proportional to 579,873.04, 869,460.01 and 259,967

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Solution

The fourth proportional to 579,873.04, 869,460.01 and 259,967 is: 389,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,873.04 : 869,460.01 = 259,967 : x
  2. Step 2: Convert to fraction form
    579,873.04/869,460.01 = 259,967/x
  3. Step 3: Cross multiply
    579,873.04x = 869,460.01 × 259,967
  4. Step 4: Simplify right side
    579,873.04x = 226,030,910,419.67
  5. Step 5: Solve for x
    x = 226,030,910,419.67/579,873.04
  6. Step 6: Final answer
    x = 389,793.79

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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.