Home / 605,413.26-907,496.82-268,612.56

Finding the Fourth Proportional to 605,413.26, 907,496.82 and 268,612.56

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Solution

The fourth proportional to 605,413.26, 907,496.82 and 268,612.56 is: 402,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,413.26 : 907,496.82 = 268,612.56 : x
  2. Step 2: Convert to fraction form
    605,413.26/907,496.82 = 268,612.56/x
  3. Step 3: Cross multiply
    605,413.26x = 907,496.82 × 268,612.56
  4. Step 4: Simplify right side
    605,413.26x = 243,765,044,012.06
  5. Step 5: Solve for x
    x = 243,765,044,012.06/605,413.26
  6. Step 6: Final answer
    x = 402,642.39

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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.