Home / 752,837.76-1,129,084.38-449,317.62

Finding the Fourth Proportional to 752,837.76, 1,129,084.38 and 449,317.62

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Solution

The fourth proportional to 752,837.76, 1,129,084.38 and 449,317.62 is: 673,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,837.76 : 1,129,084.38 = 449,317.62 : x
  2. Step 2: Convert to fraction form
    752,837.76/1,129,084.38 = 449,317.62/x
  3. Step 3: Cross multiply
    752,837.76x = 1,129,084.38 × 449,317.62
  4. Step 4: Simplify right side
    752,837.76x = 507,317,506,400.78
  5. Step 5: Solve for x
    x = 507,317,506,400.78/752,837.76
  6. Step 6: Final answer
    x = 673,873.62

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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.