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Finding the Fourth Proportional to 612,551.86, 844,976.85 and 367,471.41

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Solution

The fourth proportional to 612,551.86, 844,976.85 and 367,471.41 is: 506,903.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,551.86 : 844,976.85 = 367,471.41 : x
  2. Step 2: Convert to fraction form
    612,551.86/844,976.85 = 367,471.41/x
  3. Step 3: Cross multiply
    612,551.86x = 844,976.85 × 367,471.41
  4. Step 4: Simplify right side
    612,551.86x = 310,504,829,940.18
  5. Step 5: Solve for x
    x = 310,504,829,940.18/612,551.86
  6. Step 6: Final answer
    x = 506,903.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.