Home / 801,280.92-1,202,509.44-645,391.56

Finding the Fourth Proportional to 801,280.92, 1,202,509.44 and 645,391.56

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Solution

The fourth proportional to 801,280.92, 1,202,509.44 and 645,391.56 is: 968,560.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,280.92 : 1,202,509.44 = 645,391.56 : x
  2. Step 2: Convert to fraction form
    801,280.92/1,202,509.44 = 645,391.56/x
  3. Step 3: Cross multiply
    801,280.92x = 1,202,509.44 × 645,391.56
  4. Step 4: Simplify right side
    801,280.92x = 776,089,443,396.33
  5. Step 5: Solve for x
    x = 776,089,443,396.33/801,280.92
  6. Step 6: Final answer
    x = 968,560.99

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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.