Home / 726,889.40-1,090,333.84-194,396.59

Finding the Fourth Proportional to 726,889.40, 1,090,333.84 and 194,396.59

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Solution

The fourth proportional to 726,889.40, 1,090,333.84 and 194,396.59 is: 291,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,889.40 : 1,090,333.84 = 194,396.59 : x
  2. Step 2: Convert to fraction form
    726,889.40/1,090,333.84 = 194,396.59/x
  3. Step 3: Cross multiply
    726,889.40x = 1,090,333.84 × 194,396.59
  4. Step 4: Simplify right side
    726,889.40x = 211,957,174,519.95
  5. Step 5: Solve for x
    x = 211,957,174,519.95/726,889.40
  6. Step 6: Final answer
    x = 291,594.81

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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.