Home / 441,815.22-663,720.47-262,018.58

Finding the Fourth Proportional to 441,815.22, 663,720.47 and 262,018.58

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Solution

The fourth proportional to 441,815.22, 663,720.47 and 262,018.58 is: 393,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,815.22 : 663,720.47 = 262,018.58 : x
  2. Step 2: Convert to fraction form
    441,815.22/663,720.47 = 262,018.58/x
  3. Step 3: Cross multiply
    441,815.22x = 663,720.47 × 262,018.58
  4. Step 4: Simplify right side
    441,815.22x = 173,907,090,437.64
  5. Step 5: Solve for x
    x = 173,907,090,437.64/441,815.22
  6. Step 6: Final answer
    x = 393,619.51

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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.