Home / 764,443.20-1,146,895.20-409,627.20

Finding the Fourth Proportional to 764,443.20, 1,146,895.20 and 409,627.20

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Solution

The fourth proportional to 764,443.20, 1,146,895.20 and 409,627.20 is: 614,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,443.20 : 1,146,895.20 = 409,627.20 : x
  2. Step 2: Convert to fraction form
    764,443.20/1,146,895.20 = 409,627.20/x
  3. Step 3: Cross multiply
    764,443.20x = 1,146,895.20 × 409,627.20
  4. Step 4: Simplify right side
    764,443.20x = 469,799,469,469.44
  5. Step 5: Solve for x
    x = 469,799,469,469.44/764,443.20
  6. Step 6: Final answer
    x = 614,564.26

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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.