Home / 982,863.42-1,474,293.87-309,003.54

Finding the Fourth Proportional to 982,863.42, 1,474,293.87 and 309,003.54

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Solution

The fourth proportional to 982,863.42, 1,474,293.87 and 309,003.54 is: 463,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,863.42 : 1,474,293.87 = 309,003.54 : x
  2. Step 2: Convert to fraction form
    982,863.42/1,474,293.87 = 309,003.54/x
  3. Step 3: Cross multiply
    982,863.42x = 1,474,293.87 × 309,003.54
  4. Step 4: Simplify right side
    982,863.42x = 455,562,024,830.30
  5. Step 5: Solve for x
    x = 455,562,024,830.30/982,863.42
  6. Step 6: Final answer
    x = 463,504.91

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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.