Home / 923,516.48-1,385,413.20-324,372

Finding the Fourth Proportional to 923,516.48, 1,385,413.20 and 324,372

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Solution

The fourth proportional to 923,516.48, 1,385,413.20 and 324,372 is: 486,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,516.48 : 1,385,413.20 = 324,372 : x
  2. Step 2: Convert to fraction form
    923,516.48/1,385,413.20 = 324,372/x
  3. Step 3: Cross multiply
    923,516.48x = 1,385,413.20 × 324,372
  4. Step 4: Simplify right side
    923,516.48x = 449,389,250,510.40
  5. Step 5: Solve for x
    x = 449,389,250,510.40/923,516.48
  6. Step 6: Final answer
    x = 486,606.64

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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.