Home / 874,821.50-1,207,253.67-472,413.50

Finding the Fourth Proportional to 874,821.50, 1,207,253.67 and 472,413.50

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Solution

The fourth proportional to 874,821.50, 1,207,253.67 and 472,413.50 is: 651,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,821.50 : 1,207,253.67 = 472,413.50 : x
  2. Step 2: Convert to fraction form
    874,821.50/1,207,253.67 = 472,413.50/x
  3. Step 3: Cross multiply
    874,821.50x = 1,207,253.67 × 472,413.50
  4. Step 4: Simplify right side
    874,821.50x = 570,322,931,632.55
  5. Step 5: Solve for x
    x = 570,322,931,632.55/874,821.50
  6. Step 6: Final answer
    x = 651,930.63

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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.