Home / 820,554.92-1,230,930.66-251,861.54

Finding the Fourth Proportional to 820,554.92, 1,230,930.66 and 251,861.54

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Solution

The fourth proportional to 820,554.92, 1,230,930.66 and 251,861.54 is: 377,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,554.92 : 1,230,930.66 = 251,861.54 : x
  2. Step 2: Convert to fraction form
    820,554.92/1,230,930.66 = 251,861.54/x
  3. Step 3: Cross multiply
    820,554.92x = 1,230,930.66 × 251,861.54
  4. Step 4: Simplify right side
    820,554.92x = 310,024,086,096.48
  5. Step 5: Solve for x
    x = 310,024,086,096.48/820,554.92
  6. Step 6: Final answer
    x = 377,822.47

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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.