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Finding the Fourth Proportional to 737,413.11, 1,106,123.22 and 257,638.86

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Solution

The fourth proportional to 737,413.11, 1,106,123.22 and 257,638.86 is: 386,459.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,413.11 : 1,106,123.22 = 257,638.86 : x
  2. Step 2: Convert to fraction form
    737,413.11/1,106,123.22 = 257,638.86/x
  3. Step 3: Cross multiply
    737,413.11x = 1,106,123.22 × 257,638.86
  4. Step 4: Simplify right side
    737,413.11x = 284,980,325,420.33
  5. Step 5: Solve for x
    x = 284,980,325,420.33/737,413.11
  6. Step 6: Final answer
    x = 386,459.53

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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.