Home / 641,003.58-961,507.01-261,924.32

Finding the Fourth Proportional to 641,003.58, 961,507.01 and 261,924.32

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Solution

The fourth proportional to 641,003.58, 961,507.01 and 261,924.32 is: 392,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,003.58 : 961,507.01 = 261,924.32 : x
  2. Step 2: Convert to fraction form
    641,003.58/961,507.01 = 261,924.32/x
  3. Step 3: Cross multiply
    641,003.58x = 961,507.01 × 261,924.32
  4. Step 4: Simplify right side
    641,003.58x = 251,842,072,828.06
  5. Step 5: Solve for x
    x = 251,842,072,828.06/641,003.58
  6. Step 6: Final answer
    x = 392,887.15

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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.