Home / 729,270.81-1,093,897.42-189,479.32

Finding the Fourth Proportional to 729,270.81, 1,093,897.42 and 189,479.32

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Solution

The fourth proportional to 729,270.81, 1,093,897.42 and 189,479.32 is: 284,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,270.81 : 1,093,897.42 = 189,479.32 : x
  2. Step 2: Convert to fraction form
    729,270.81/1,093,897.42 = 189,479.32/x
  3. Step 3: Cross multiply
    729,270.81x = 1,093,897.42 × 189,479.32
  4. Step 4: Simplify right side
    729,270.81x = 207,270,935,195.64
  5. Step 5: Solve for x
    x = 207,270,935,195.64/729,270.81
  6. Step 6: Final answer
    x = 284,216.69

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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.