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Finding the Fourth Proportional to 641,572.92, 962,035.38 and 375,413.40

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Solution

The fourth proportional to 641,572.92, 962,035.38 and 375,413.40 is: 562,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,572.92 : 962,035.38 = 375,413.40 : x
  2. Step 2: Convert to fraction form
    641,572.92/962,035.38 = 375,413.40/x
  3. Step 3: Cross multiply
    641,572.92x = 962,035.38 × 375,413.40
  4. Step 4: Simplify right side
    641,572.92x = 361,160,972,926.09
  5. Step 5: Solve for x
    x = 361,160,972,926.09/641,572.92
  6. Step 6: Final answer
    x = 562,930.51

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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.