Home / 801,174.75-1,105,621.16-443,478.75

Finding the Fourth Proportional to 801,174.75, 1,105,621.16 and 443,478.75

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Solution

The fourth proportional to 801,174.75, 1,105,621.16 and 443,478.75 is: 612,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,174.75 : 1,105,621.16 = 443,478.75 : x
  2. Step 2: Convert to fraction form
    801,174.75/1,105,621.16 = 443,478.75/x
  3. Step 3: Cross multiply
    801,174.75x = 1,105,621.16 × 443,478.75
  4. Step 4: Simplify right side
    801,174.75x = 490,319,487,792.96
  5. Step 5: Solve for x
    x = 490,319,487,792.96/801,174.75
  6. Step 6: Final answer
    x = 612,000.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.