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Finding the Fourth Proportional to 662,675, 914,501.22 and 360,869

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Solution

The fourth proportional to 662,675, 914,501.22 and 360,869 is: 498,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,675 : 914,501.22 = 360,869 : x
  2. Step 2: Convert to fraction form
    662,675/914,501.22 = 360,869/x
  3. Step 3: Cross multiply
    662,675x = 914,501.22 × 360,869
  4. Step 4: Simplify right side
    662,675x = 330,015,140,760.18
  5. Step 5: Solve for x
    x = 330,015,140,760.18/662,675
  6. Step 6: Final answer
    x = 498,004.51

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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.