Home / 729,561.74-1,006,778.46-407,301.82

Finding the Fourth Proportional to 729,561.74, 1,006,778.46 and 407,301.82

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Solution

The fourth proportional to 729,561.74, 1,006,778.46 and 407,301.82 is: 562,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,561.74 : 1,006,778.46 = 407,301.82 : x
  2. Step 2: Convert to fraction form
    729,561.74/1,006,778.46 = 407,301.82/x
  3. Step 3: Cross multiply
    729,561.74x = 1,006,778.46 × 407,301.82
  4. Step 4: Simplify right side
    729,561.74x = 410,062,698,105.23
  5. Step 5: Solve for x
    x = 410,062,698,105.23/729,561.74
  6. Step 6: Final answer
    x = 562,067.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.