Home / 939,729.93-1,296,826.78-531,824.36

Finding the Fourth Proportional to 939,729.93, 1,296,826.78 and 531,824.36

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Solution

The fourth proportional to 939,729.93, 1,296,826.78 and 531,824.36 is: 733,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,729.93 : 1,296,826.78 = 531,824.36 : x
  2. Step 2: Convert to fraction form
    939,729.93/1,296,826.78 = 531,824.36/x
  3. Step 3: Cross multiply
    939,729.93x = 1,296,826.78 × 531,824.36
  4. Step 4: Simplify right side
    939,729.93x = 689,684,072,304.36
  5. Step 5: Solve for x
    x = 689,684,072,304.36/939,729.93
  6. Step 6: Final answer
    x = 733,917.32

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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.