Home / 521,443.20-782,179.38-184,436.22

Finding the Fourth Proportional to 521,443.20, 782,179.38 and 184,436.22

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Solution

The fourth proportional to 521,443.20, 782,179.38 and 184,436.22 is: 276,659.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,443.20 : 782,179.38 = 184,436.22 : x
  2. Step 2: Convert to fraction form
    521,443.20/782,179.38 = 184,436.22/x
  3. Step 3: Cross multiply
    521,443.20x = 782,179.38 × 184,436.22
  4. Step 4: Simplify right side
    521,443.20x = 144,262,208,209.14
  5. Step 5: Solve for x
    x = 144,262,208,209.14/521,443.20
  6. Step 6: Final answer
    x = 276,659.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.