Home / 694,018.72-1,041,131.76-220,719.52

Finding the Fourth Proportional to 694,018.72, 1,041,131.76 and 220,719.52

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Solution

The fourth proportional to 694,018.72, 1,041,131.76 and 220,719.52 is: 331,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,018.72 : 1,041,131.76 = 220,719.52 : x
  2. Step 2: Convert to fraction form
    694,018.72/1,041,131.76 = 220,719.52/x
  3. Step 3: Cross multiply
    694,018.72x = 1,041,131.76 × 220,719.52
  4. Step 4: Simplify right side
    694,018.72x = 229,798,102,323.96
  5. Step 5: Solve for x
    x = 229,798,102,323.96/694,018.72
  6. Step 6: Final answer
    x = 331,112.25

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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.