Home / 852,943.15-1,279,857.51-347,874.67

Finding the Fourth Proportional to 852,943.15, 1,279,857.51 and 347,874.67

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Solution

The fourth proportional to 852,943.15, 1,279,857.51 and 347,874.67 is: 521,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,943.15 : 1,279,857.51 = 347,874.67 : x
  2. Step 2: Convert to fraction form
    852,943.15/1,279,857.51 = 347,874.67/x
  3. Step 3: Cross multiply
    852,943.15x = 1,279,857.51 × 347,874.67
  4. Step 4: Simplify right side
    852,943.15x = 445,230,008,938.27
  5. Step 5: Solve for x
    x = 445,230,008,938.27/852,943.15
  6. Step 6: Final answer
    x = 521,992.60

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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.