Home / 982,830.15-1,474,174.08-309,104.15

Finding the Fourth Proportional to 982,830.15, 1,474,174.08 and 309,104.15

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Solution

The fourth proportional to 982,830.15, 1,474,174.08 and 309,104.15 is: 463,633.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,830.15 : 1,474,174.08 = 309,104.15 : x
  2. Step 2: Convert to fraction form
    982,830.15/1,474,174.08 = 309,104.15/x
  3. Step 3: Cross multiply
    982,830.15x = 1,474,174.08 × 309,104.15
  4. Step 4: Simplify right side
    982,830.15x = 455,673,318,579.56
  5. Step 5: Solve for x
    x = 455,673,318,579.56/982,830.15
  6. Step 6: Final answer
    x = 463,633.84

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1.5x scale

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.