Home / 850,612.35-1,275,876.14-318,094.23

Finding the Fourth Proportional to 850,612.35, 1,275,876.14 and 318,094.23

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Solution

The fourth proportional to 850,612.35, 1,275,876.14 and 318,094.23 is: 477,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,612.35 : 1,275,876.14 = 318,094.23 : x
  2. Step 2: Convert to fraction form
    850,612.35/1,275,876.14 = 318,094.23/x
  3. Step 3: Cross multiply
    850,612.35x = 1,275,876.14 × 318,094.23
  4. Step 4: Simplify right side
    850,612.35x = 405,848,836,738.20
  5. Step 5: Solve for x
    x = 405,848,836,738.20/850,612.35
  6. Step 6: Final answer
    x = 477,125.49

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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.