Home / 787,749.49-1,181,749.18-282,299.57

Finding the Fourth Proportional to 787,749.49, 1,181,749.18 and 282,299.57

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Solution

The fourth proportional to 787,749.49, 1,181,749.18 and 282,299.57 is: 423,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,749.49 : 1,181,749.18 = 282,299.57 : x
  2. Step 2: Convert to fraction form
    787,749.49/1,181,749.18 = 282,299.57/x
  3. Step 3: Cross multiply
    787,749.49x = 1,181,749.18 × 282,299.57
  4. Step 4: Simplify right side
    787,749.49x = 333,607,285,361.85
  5. Step 5: Solve for x
    x = 333,607,285,361.85/787,749.49
  6. Step 6: Final answer
    x = 423,494.13

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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.