Home / 787,979.88-1,182,086.46-289,305

Finding the Fourth Proportional to 787,979.88, 1,182,086.46 and 289,305

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Solution

The fourth proportional to 787,979.88, 1,182,086.46 and 289,305 is: 434,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,979.88 : 1,182,086.46 = 289,305 : x
  2. Step 2: Convert to fraction form
    787,979.88/1,182,086.46 = 289,305/x
  3. Step 3: Cross multiply
    787,979.88x = 1,182,086.46 × 289,305
  4. Step 4: Simplify right side
    787,979.88x = 341,983,523,310.30
  5. Step 5: Solve for x
    x = 341,983,523,310.30/787,979.88
  6. Step 6: Final answer
    x = 434,000.32

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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.