Home / 857,027.58-1,285,703.82-344,731.92

Finding the Fourth Proportional to 857,027.58, 1,285,703.82 and 344,731.92

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Solution

The fourth proportional to 857,027.58, 1,285,703.82 and 344,731.92 is: 517,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,027.58 : 1,285,703.82 = 344,731.92 : x
  2. Step 2: Convert to fraction form
    857,027.58/1,285,703.82 = 344,731.92/x
  3. Step 3: Cross multiply
    857,027.58x = 1,285,703.82 × 344,731.92
  4. Step 4: Simplify right side
    857,027.58x = 443,223,146,419.93
  5. Step 5: Solve for x
    x = 443,223,146,419.93/857,027.58
  6. Step 6: Final answer
    x = 517,163.22

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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.