Home / 1,028,813.48-1,542,972.32-309,003.76

Finding the Fourth Proportional to 1,028,813.48, 1,542,972.32 and 309,003.76

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Solution

The fourth proportional to 1,028,813.48, 1,542,972.32 and 309,003.76 is: 463,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,813.48 : 1,542,972.32 = 309,003.76 : x
  2. Step 2: Convert to fraction form
    1,028,813.48/1,542,972.32 = 309,003.76/x
  3. Step 3: Cross multiply
    1,028,813.48x = 1,542,972.32 × 309,003.76
  4. Step 4: Simplify right side
    1,028,813.48x = 476,784,248,455.92
  5. Step 5: Solve for x
    x = 476,784,248,455.92/1,028,813.48
  6. Step 6: Final answer
    x = 463,431.18

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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.