Home / 898,121.25-1,347,237.77-299,135.97

Finding the Fourth Proportional to 898,121.25, 1,347,237.77 and 299,135.97

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Solution

The fourth proportional to 898,121.25, 1,347,237.77 and 299,135.97 is: 448,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,121.25 : 1,347,237.77 = 299,135.97 : x
  2. Step 2: Convert to fraction form
    898,121.25/1,347,237.77 = 299,135.97/x
  3. Step 3: Cross multiply
    898,121.25x = 1,347,237.77 × 299,135.97
  4. Step 4: Simplify right side
    898,121.25x = 403,007,275,653.91
  5. Step 5: Solve for x
    x = 403,007,275,653.91/898,121.25
  6. Step 6: Final answer
    x = 448,722.57

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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.