Home / 276,629.80-414,944.70-272,482.60

Finding the Fourth Proportional to 276,629.80, 414,944.70 and 272,482.60

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Solution

The fourth proportional to 276,629.80, 414,944.70 and 272,482.60 is: 408,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,629.80 : 414,944.70 = 272,482.60 : x
  2. Step 2: Convert to fraction form
    276,629.80/414,944.70 = 272,482.60/x
  3. Step 3: Cross multiply
    276,629.80x = 414,944.70 × 272,482.60
  4. Step 4: Simplify right side
    276,629.80x = 113,065,210,712.22
  5. Step 5: Solve for x
    x = 113,065,210,712.22/276,629.80
  6. Step 6: Final answer
    x = 408,723.90

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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.