Home / 998,413.68-1,377,651.60-568,702.32

Finding the Fourth Proportional to 998,413.68, 1,377,651.60 and 568,702.32

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Solution

The fourth proportional to 998,413.68, 1,377,651.60 and 568,702.32 is: 784,718.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,413.68 : 1,377,651.60 = 568,702.32 : x
  2. Step 2: Convert to fraction form
    998,413.68/1,377,651.60 = 568,702.32/x
  3. Step 3: Cross multiply
    998,413.68x = 1,377,651.60 × 568,702.32
  4. Step 4: Simplify right side
    998,413.68x = 783,473,661,071.71
  5. Step 5: Solve for x
    x = 783,473,661,071.71/998,413.68
  6. Step 6: Final answer
    x = 784,718.48

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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.