Home / 723,786.22-998,831.01-401,517.46

Finding the Fourth Proportional to 723,786.22, 998,831.01 and 401,517.46

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Solution

The fourth proportional to 723,786.22, 998,831.01 and 401,517.46 is: 554,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,786.22 : 998,831.01 = 401,517.46 : x
  2. Step 2: Convert to fraction form
    723,786.22/998,831.01 = 401,517.46/x
  3. Step 3: Cross multiply
    723,786.22x = 998,831.01 × 401,517.46
  4. Step 4: Simplify right side
    723,786.22x = 401,048,090,104.44
  5. Step 5: Solve for x
    x = 401,048,090,104.44/723,786.22
  6. Step 6: Final answer
    x = 554,097.44

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1.5x scale

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.