Home / 723,620.46-998,669.19-401,393.41

Finding the Fourth Proportional to 723,620.46, 998,669.19 and 401,393.41

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Solution

The fourth proportional to 723,620.46, 998,669.19 and 401,393.41 is: 553,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,620.46 : 998,669.19 = 401,393.41 : x
  2. Step 2: Convert to fraction form
    723,620.46/998,669.19 = 401,393.41/x
  3. Step 3: Cross multiply
    723,620.46x = 998,669.19 × 401,393.41
  4. Step 4: Simplify right side
    723,620.46x = 400,859,231,636.04
  5. Step 5: Solve for x
    x = 400,859,231,636.04/723,620.46
  6. Step 6: Final answer
    x = 553,963.37

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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.