Home / 726,889.90-1,090,334.59-194,397.09

Finding the Fourth Proportional to 726,889.90, 1,090,334.59 and 194,397.09

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Solution

The fourth proportional to 726,889.90, 1,090,334.59 and 194,397.09 is: 291,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,889.90 : 1,090,334.59 = 194,397.09 : x
  2. Step 2: Convert to fraction form
    726,889.90/1,090,334.59 = 194,397.09/x
  3. Step 3: Cross multiply
    726,889.90x = 1,090,334.59 × 194,397.09
  4. Step 4: Simplify right side
    726,889.90x = 211,957,864,998.69
  5. Step 5: Solve for x
    x = 211,957,864,998.69/726,889.90
  6. Step 6: Final answer
    x = 291,595.56

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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.