Home / 668,789.37-1,002,973.31-219,405.52

Finding the Fourth Proportional to 668,789.37, 1,002,973.31 and 219,405.52

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Solution

The fourth proportional to 668,789.37, 1,002,973.31 and 219,405.52 is: 329,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,789.37 : 1,002,973.31 = 219,405.52 : x
  2. Step 2: Convert to fraction form
    668,789.37/1,002,973.31 = 219,405.52/x
  3. Step 3: Cross multiply
    668,789.37x = 1,002,973.31 × 219,405.52
  4. Step 4: Simplify right side
    668,789.37x = 220,057,881,606.13
  5. Step 5: Solve for x
    x = 220,057,881,606.13/668,789.37
  6. Step 6: Final answer
    x = 329,039.14

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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.