Home / 748,381.88-1,122,556.87-242,942.03

Finding the Fourth Proportional to 748,381.88, 1,122,556.87 and 242,942.03

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Solution

The fourth proportional to 748,381.88, 1,122,556.87 and 242,942.03 is: 364,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,381.88 : 1,122,556.87 = 242,942.03 : x
  2. Step 2: Convert to fraction form
    748,381.88/1,122,556.87 = 242,942.03/x
  3. Step 3: Cross multiply
    748,381.88x = 1,122,556.87 × 242,942.03
  4. Step 4: Simplify right side
    748,381.88x = 272,716,243,573.54
  5. Step 5: Solve for x
    x = 272,716,243,573.54/748,381.88
  6. Step 6: Final answer
    x = 364,407.87

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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.