Home / 734,879.29-1,101,889.91-285,074.56

Finding the Fourth Proportional to 734,879.29, 1,101,889.91 and 285,074.56

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Solution

The fourth proportional to 734,879.29, 1,101,889.91 and 285,074.56 is: 427,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,879.29 : 1,101,889.91 = 285,074.56 : x
  2. Step 2: Convert to fraction form
    734,879.29/1,101,889.91 = 285,074.56/x
  3. Step 3: Cross multiply
    734,879.29x = 1,101,889.91 × 285,074.56
  4. Step 4: Simplify right side
    734,879.29x = 314,120,784,785.63
  5. Step 5: Solve for x
    x = 314,120,784,785.63/734,879.29
  6. Step 6: Final answer
    x = 427,445.41

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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.