Home / 752,828.76-1,129,070.88-449,308.62

Finding the Fourth Proportional to 752,828.76, 1,129,070.88 and 449,308.62

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Solution

The fourth proportional to 752,828.76, 1,129,070.88 and 449,308.62 is: 673,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,828.76 : 1,129,070.88 = 449,308.62 : x
  2. Step 2: Convert to fraction form
    752,828.76/1,129,070.88 = 449,308.62/x
  3. Step 3: Cross multiply
    752,828.76x = 1,129,070.88 × 449,308.62
  4. Step 4: Simplify right side
    752,828.76x = 507,301,278,974.99
  5. Step 5: Solve for x
    x = 507,301,278,974.99/752,828.76
  6. Step 6: Final answer
    x = 673,860.12

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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.