Home / 734,627.25-1,102,014.69-273,128.57

Finding the Fourth Proportional to 734,627.25, 1,102,014.69 and 273,128.57

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Solution

The fourth proportional to 734,627.25, 1,102,014.69 and 273,128.57 is: 409,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,627.25 : 1,102,014.69 = 273,128.57 : x
  2. Step 2: Convert to fraction form
    734,627.25/1,102,014.69 = 273,128.57/x
  3. Step 3: Cross multiply
    734,627.25x = 1,102,014.69 × 273,128.57
  4. Step 4: Simplify right side
    734,627.25x = 300,991,696,398.69
  5. Step 5: Solve for x
    x = 300,991,696,398.69/734,627.25
  6. Step 6: Final answer
    x = 409,720.30

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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.