Home / 404,729.28-557,615.04-282,106.56

Finding the Fourth Proportional to 404,729.28, 557,615.04 and 282,106.56

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Solution

The fourth proportional to 404,729.28, 557,615.04 and 282,106.56 is: 388,671.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,729.28 : 557,615.04 = 282,106.56 : x
  2. Step 2: Convert to fraction form
    404,729.28/557,615.04 = 282,106.56/x
  3. Step 3: Cross multiply
    404,729.28x = 557,615.04 × 282,106.56
  4. Step 4: Simplify right side
    404,729.28x = 157,306,860,738.66
  5. Step 5: Solve for x
    x = 157,306,860,738.66/404,729.28
  6. Step 6: Final answer
    x = 388,671.81

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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.