Home / 515,174.94-769,010-477,185.04

Finding the Fourth Proportional to 515,174.94, 769,010 and 477,185.04

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Solution

The fourth proportional to 515,174.94, 769,010 and 477,185.04 is: 712,301.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,174.94 : 769,010 = 477,185.04 : x
  2. Step 2: Convert to fraction form
    515,174.94/769,010 = 477,185.04/x
  3. Step 3: Cross multiply
    515,174.94x = 769,010 × 477,185.04
  4. Step 4: Simplify right side
    515,174.94x = 366,960,067,610.40
  5. Step 5: Solve for x
    x = 366,960,067,610.40/515,174.94
  6. Step 6: Final answer
    x = 712,301.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.