Home / 939,831.89-1,296,933.26-510,102.81

Finding the Fourth Proportional to 939,831.89, 1,296,933.26 and 510,102.81

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Solution

The fourth proportional to 939,831.89, 1,296,933.26 and 510,102.81 is: 703,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,831.89 : 1,296,933.26 = 510,102.81 : x
  2. Step 2: Convert to fraction form
    939,831.89/1,296,933.26 = 510,102.81/x
  3. Step 3: Cross multiply
    939,831.89x = 1,296,933.26 × 510,102.81
  4. Step 4: Simplify right side
    939,831.89x = 661,569,297,757.95
  5. Step 5: Solve for x
    x = 661,569,297,757.95/939,831.89
  6. Step 6: Final answer
    x = 703,923.02

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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.