Home / 843,689.54-1,265,632.61-296,413.76

Finding the Fourth Proportional to 843,689.54, 1,265,632.61 and 296,413.76

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Solution

The fourth proportional to 843,689.54, 1,265,632.61 and 296,413.76 is: 444,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,689.54 : 1,265,632.61 = 296,413.76 : x
  2. Step 2: Convert to fraction form
    843,689.54/1,265,632.61 = 296,413.76/x
  3. Step 3: Cross multiply
    843,689.54x = 1,265,632.61 × 296,413.76
  4. Step 4: Simplify right side
    843,689.54x = 375,150,912,898.48
  5. Step 5: Solve for x
    x = 375,150,912,898.48/843,689.54
  6. Step 6: Final answer
    x = 444,655.17

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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.