Home / 939,736.80-1,296,836.28-531,831.24

Finding the Fourth Proportional to 939,736.80, 1,296,836.28 and 531,831.24

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Solution

The fourth proportional to 939,736.80, 1,296,836.28 and 531,831.24 is: 733,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,736.80 : 1,296,836.28 = 531,831.24 : x
  2. Step 2: Convert to fraction form
    939,736.80/1,296,836.28 = 531,831.24/x
  3. Step 3: Cross multiply
    939,736.80x = 1,296,836.28 × 531,831.24
  4. Step 4: Simplify right side
    939,736.80x = 689,698,046,869.39
  5. Step 5: Solve for x
    x = 689,698,046,869.39/939,736.80
  6. Step 6: Final answer
    x = 733,926.83

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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.