Home / 886,822.70-1,330,234.05-354,425.90

Finding the Fourth Proportional to 886,822.70, 1,330,234.05 and 354,425.90

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Solution

The fourth proportional to 886,822.70, 1,330,234.05 and 354,425.90 is: 531,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,822.70 : 1,330,234.05 = 354,425.90 : x
  2. Step 2: Convert to fraction form
    886,822.70/1,330,234.05 = 354,425.90/x
  3. Step 3: Cross multiply
    886,822.70x = 1,330,234.05 × 354,425.90
  4. Step 4: Simplify right side
    886,822.70x = 471,469,400,381.90
  5. Step 5: Solve for x
    x = 471,469,400,381.90/886,822.70
  6. Step 6: Final answer
    x = 531,638.85

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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.