Home / 852,413.78-1,175,962.02-521,284.25

Finding the Fourth Proportional to 852,413.78, 1,175,962.02 and 521,284.25

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Solution

The fourth proportional to 852,413.78, 1,175,962.02 and 521,284.25 is: 719,146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,413.78 : 1,175,962.02 = 521,284.25 : x
  2. Step 2: Convert to fraction form
    852,413.78/1,175,962.02 = 521,284.25/x
  3. Step 3: Cross multiply
    852,413.78x = 1,175,962.02 × 521,284.25
  4. Step 4: Simplify right side
    852,413.78x = 613,010,482,564.09
  5. Step 5: Solve for x
    x = 613,010,482,564.09/852,413.78
  6. Step 6: Final answer
    x = 719,146.61

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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.