Home / 757,895.76-1,135,856.39-308,091.20

Finding the Fourth Proportional to 757,895.76, 1,135,856.39 and 308,091.20

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Solution

The fourth proportional to 757,895.76, 1,135,856.39 and 308,091.20 is: 461,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,895.76 : 1,135,856.39 = 308,091.20 : x
  2. Step 2: Convert to fraction form
    757,895.76/1,135,856.39 = 308,091.20/x
  3. Step 3: Cross multiply
    757,895.76x = 1,135,856.39 × 308,091.20
  4. Step 4: Simplify right side
    757,895.76x = 349,947,351,003.03
  5. Step 5: Solve for x
    x = 349,947,351,003.03/757,895.76
  6. Step 6: Final answer
    x = 461,735.46

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1.5x scale

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.