Home / 668,432.76-1,002,042.20-247,413.40

Finding the Fourth Proportional to 668,432.76, 1,002,042.20 and 247,413.40

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Solution

The fourth proportional to 668,432.76, 1,002,042.20 and 247,413.40 is: 370,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,432.76 : 1,002,042.20 = 247,413.40 : x
  2. Step 2: Convert to fraction form
    668,432.76/1,002,042.20 = 247,413.40/x
  3. Step 3: Cross multiply
    668,432.76x = 1,002,042.20 × 247,413.40
  4. Step 4: Simplify right side
    668,432.76x = 247,918,667,645.48
  5. Step 5: Solve for x
    x = 247,918,667,645.48/668,432.76
  6. Step 6: Final answer
    x = 370,895.45

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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.