Home / 691,166.86-1,035,381.71-325,928.39

Finding the Fourth Proportional to 691,166.86, 1,035,381.71 and 325,928.39

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Solution

The fourth proportional to 691,166.86, 1,035,381.71 and 325,928.39 is: 488,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,166.86 : 1,035,381.71 = 325,928.39 : x
  2. Step 2: Convert to fraction form
    691,166.86/1,035,381.71 = 325,928.39/x
  3. Step 3: Cross multiply
    691,166.86x = 1,035,381.71 × 325,928.39
  4. Step 4: Simplify right side
    691,166.86x = 337,460,289,413.66
  5. Step 5: Solve for x
    x = 337,460,289,413.66/691,166.86
  6. Step 6: Final answer
    x = 488,247.21

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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.