Home / 539,120.72-743,982.44-297,413.48

Finding the Fourth Proportional to 539,120.72, 743,982.44 and 297,413.48

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Solution

The fourth proportional to 539,120.72, 743,982.44 and 297,413.48 is: 410,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,120.72 : 743,982.44 = 297,413.48 : x
  2. Step 2: Convert to fraction form
    539,120.72/743,982.44 = 297,413.48/x
  3. Step 3: Cross multiply
    539,120.72x = 743,982.44 × 297,413.48
  4. Step 4: Simplify right side
    539,120.72x = 221,270,406,539.29
  5. Step 5: Solve for x
    x = 221,270,406,539.29/539,120.72
  6. Step 6: Final answer
    x = 410,428.31

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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.