Home / 852,945.66-1,279,861.26-347,877.18

Finding the Fourth Proportional to 852,945.66, 1,279,861.26 and 347,877.18

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Solution

The fourth proportional to 852,945.66, 1,279,861.26 and 347,877.18 is: 521,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,945.66 : 1,279,861.26 = 347,877.18 : x
  2. Step 2: Convert to fraction form
    852,945.66/1,279,861.26 = 347,877.18/x
  3. Step 3: Cross multiply
    852,945.66x = 1,279,861.26 × 347,877.18
  4. Step 4: Simplify right side
    852,945.66x = 445,234,525,920.05
  5. Step 5: Solve for x
    x = 445,234,525,920.05/852,945.66
  6. Step 6: Final answer
    x = 521,996.36

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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.