Home / 689,202.64-1,033,804.32-262,639

Finding the Fourth Proportional to 689,202.64, 1,033,804.32 and 262,639

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Solution

The fourth proportional to 689,202.64, 1,033,804.32 and 262,639 is: 393,958.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,202.64 : 1,033,804.32 = 262,639 : x
  2. Step 2: Convert to fraction form
    689,202.64/1,033,804.32 = 262,639/x
  3. Step 3: Cross multiply
    689,202.64x = 1,033,804.32 × 262,639
  4. Step 4: Simplify right side
    689,202.64x = 271,517,332,800.48
  5. Step 5: Solve for x
    x = 271,517,332,800.48/689,202.64
  6. Step 6: Final answer
    x = 393,958.64

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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.