Home / 872,950.40-1,309,745.45-367,638.58

Finding the Fourth Proportional to 872,950.40, 1,309,745.45 and 367,638.58

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Solution

The fourth proportional to 872,950.40, 1,309,745.45 and 367,638.58 is: 551,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,950.40 : 1,309,745.45 = 367,638.58 : x
  2. Step 2: Convert to fraction form
    872,950.40/1,309,745.45 = 367,638.58/x
  3. Step 3: Cross multiply
    872,950.40x = 1,309,745.45 × 367,638.58
  4. Step 4: Simplify right side
    872,950.40x = 481,512,957,399.46
  5. Step 5: Solve for x
    x = 481,512,957,399.46/872,950.40
  6. Step 6: Final answer
    x = 551,592.57

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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.