Home / 419,831.60-629,747.40-367,343.60

Finding the Fourth Proportional to 419,831.60, 629,747.40 and 367,343.60

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Solution

The fourth proportional to 419,831.60, 629,747.40 and 367,343.60 is: 551,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,831.60 : 629,747.40 = 367,343.60 : x
  2. Step 2: Convert to fraction form
    419,831.60/629,747.40 = 367,343.60/x
  3. Step 3: Cross multiply
    419,831.60x = 629,747.40 × 367,343.60
  4. Step 4: Simplify right side
    419,831.60x = 231,333,677,006.64
  5. Step 5: Solve for x
    x = 231,333,677,006.64/419,831.60
  6. Step 6: Final answer
    x = 551,015.40

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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.