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Finding the Fourth Proportional to 501,674.85, 752,627.21 and 217,413.09

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Solution

The fourth proportional to 501,674.85, 752,627.21 and 217,413.09 is: 326,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,674.85 : 752,627.21 = 217,413.09 : x
  2. Step 2: Convert to fraction form
    501,674.85/752,627.21 = 217,413.09/x
  3. Step 3: Cross multiply
    501,674.85x = 752,627.21 × 217,413.09
  4. Step 4: Simplify right side
    501,674.85x = 163,631,007,344.18
  5. Step 5: Solve for x
    x = 163,631,007,344.18/501,674.85
  6. Step 6: Final answer
    x = 326,169.44

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1.5x scale

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.