Home / 850,077.33-1,275,364.09-317,475.86

Finding the Fourth Proportional to 850,077.33, 1,275,364.09 and 317,475.86

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Solution

The fourth proportional to 850,077.33, 1,275,364.09 and 317,475.86 is: 476,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,077.33 : 1,275,364.09 = 317,475.86 : x
  2. Step 2: Convert to fraction form
    850,077.33/1,275,364.09 = 317,475.86/x
  3. Step 3: Cross multiply
    850,077.33x = 1,275,364.09 × 317,475.86
  4. Step 4: Simplify right side
    850,077.33x = 404,897,303,520.09
  5. Step 5: Solve for x
    x = 404,897,303,520.09/850,077.33
  6. Step 6: Final answer
    x = 476,306.44

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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.