Home / 809,236.50-1,213,913.08-310,600.50

Finding the Fourth Proportional to 809,236.50, 1,213,913.08 and 310,600.50

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Solution

The fourth proportional to 809,236.50, 1,213,913.08 and 310,600.50 is: 465,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,236.50 : 1,213,913.08 = 310,600.50 : x
  2. Step 2: Convert to fraction form
    809,236.50/1,213,913.08 = 310,600.50/x
  3. Step 3: Cross multiply
    809,236.50x = 1,213,913.08 × 310,600.50
  4. Step 4: Simplify right side
    809,236.50x = 377,042,009,604.54
  5. Step 5: Solve for x
    x = 377,042,009,604.54/809,236.50
  6. Step 6: Final answer
    x = 465,923.14

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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.