Home / 834,413.25-1,251,775.56-379,036.47

Finding the Fourth Proportional to 834,413.25, 1,251,775.56 and 379,036.47

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Solution

The fourth proportional to 834,413.25, 1,251,775.56 and 379,036.47 is: 568,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,413.25 : 1,251,775.56 = 379,036.47 : x
  2. Step 2: Convert to fraction form
    834,413.25/1,251,775.56 = 379,036.47/x
  3. Step 3: Cross multiply
    834,413.25x = 1,251,775.56 × 379,036.47
  4. Step 4: Simplify right side
    834,413.25x = 474,468,583,235.80
  5. Step 5: Solve for x
    x = 474,468,583,235.80/834,413.25
  6. Step 6: Final answer
    x = 568,625.42

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1.5x scale

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.