Home / 1,028,898.39-1,543,427.40-309,183.87

Finding the Fourth Proportional to 1,028,898.39, 1,543,427.40 and 309,183.87

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Solution

The fourth proportional to 1,028,898.39, 1,543,427.40 and 309,183.87 is: 463,799.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,898.39 : 1,543,427.40 = 309,183.87 : x
  2. Step 2: Convert to fraction form
    1,028,898.39/1,543,427.40 = 309,183.87/x
  3. Step 3: Cross multiply
    1,028,898.39x = 1,543,427.40 × 309,183.87
  4. Step 4: Simplify right side
    1,028,898.39x = 477,202,856,596.04
  5. Step 5: Solve for x
    x = 477,202,856,596.04/1,028,898.39
  6. Step 6: Final answer
    x = 463,799.79

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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.