Home / 940,729.33-1,411,093.86-408,238.57

Finding the Fourth Proportional to 940,729.33, 1,411,093.86 and 408,238.57

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Solution

The fourth proportional to 940,729.33, 1,411,093.86 and 408,238.57 is: 612,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,729.33 : 1,411,093.86 = 408,238.57 : x
  2. Step 2: Convert to fraction form
    940,729.33/1,411,093.86 = 408,238.57/x
  3. Step 3: Cross multiply
    940,729.33x = 1,411,093.86 × 408,238.57
  4. Step 4: Simplify right side
    940,729.33x = 576,062,939,542.18
  5. Step 5: Solve for x
    x = 576,062,939,542.18/940,729.33
  6. Step 6: Final answer
    x = 612,357.80

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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.