Home / 879,181.03-1,318,757.14-280,134.10

Finding the Fourth Proportional to 879,181.03, 1,318,757.14 and 280,134.10

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Solution

The fourth proportional to 879,181.03, 1,318,757.14 and 280,134.10 is: 420,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,181.03 : 1,318,757.14 = 280,134.10 : x
  2. Step 2: Convert to fraction form
    879,181.03/1,318,757.14 = 280,134.10/x
  3. Step 3: Cross multiply
    879,181.03x = 1,318,757.14 × 280,134.10
  4. Step 4: Simplify right side
    879,181.03x = 369,428,844,532.47
  5. Step 5: Solve for x
    x = 369,428,844,532.47/879,181.03
  6. Step 6: Final answer
    x = 420,196.56

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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.