Home / 982,825.88-1,474,167.70-309,099.90

Finding the Fourth Proportional to 982,825.88, 1,474,167.70 and 309,099.90

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Solution

The fourth proportional to 982,825.88, 1,474,167.70 and 309,099.90 is: 463,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,825.88 : 1,474,167.70 = 309,099.90 : x
  2. Step 2: Convert to fraction form
    982,825.88/1,474,167.70 = 309,099.90/x
  3. Step 3: Cross multiply
    982,825.88x = 1,474,167.70 × 309,099.90
  4. Step 4: Simplify right side
    982,825.88x = 455,665,088,653.23
  5. Step 5: Solve for x
    x = 455,665,088,653.23/982,825.88
  6. Step 6: Final answer
    x = 463,627.48

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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.