Home / 995,413.34-1,373,789.04-628,423.76

Finding the Fourth Proportional to 995,413.34, 1,373,789.04 and 628,423.76

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Solution

The fourth proportional to 995,413.34, 1,373,789.04 and 628,423.76 is: 867,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,413.34 : 1,373,789.04 = 628,423.76 : x
  2. Step 2: Convert to fraction form
    995,413.34/1,373,789.04 = 628,423.76/x
  3. Step 3: Cross multiply
    995,413.34x = 1,373,789.04 × 628,423.76
  4. Step 4: Simplify right side
    995,413.34x = 863,321,673,963.59
  5. Step 5: Solve for x
    x = 863,321,673,963.59/995,413.34
  6. Step 6: Final answer
    x = 867,299.68

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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.