Home / 728,462.91-1,092,071.33-279,506.01

Finding the Fourth Proportional to 728,462.91, 1,092,071.33 and 279,506.01

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Solution

The fourth proportional to 728,462.91, 1,092,071.33 and 279,506.01 is: 419,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,462.91 : 1,092,071.33 = 279,506.01 : x
  2. Step 2: Convert to fraction form
    728,462.91/1,092,071.33 = 279,506.01/x
  3. Step 3: Cross multiply
    728,462.91x = 1,092,071.33 × 279,506.01
  4. Step 4: Simplify right side
    728,462.91x = 305,240,500,083.69
  5. Step 5: Solve for x
    x = 305,240,500,083.69/728,462.91
  6. Step 6: Final answer
    x = 419,019.96

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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.