Home / 850,524.28-1,275,822.04-317,991.40

Finding the Fourth Proportional to 850,524.28, 1,275,822.04 and 317,991.40

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Solution

The fourth proportional to 850,524.28, 1,275,822.04 and 317,991.40 is: 477,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,524.28 : 1,275,822.04 = 317,991.40 : x
  2. Step 2: Convert to fraction form
    850,524.28/1,275,822.04 = 317,991.40/x
  3. Step 3: Cross multiply
    850,524.28x = 1,275,822.04 × 317,991.40
  4. Step 4: Simplify right side
    850,524.28x = 405,700,436,650.46
  5. Step 5: Solve for x
    x = 405,700,436,650.46/850,524.28
  6. Step 6: Final answer
    x = 477,000.42

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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.