Home / 937,255.40-1,405,592.52-338,138.76

Finding the Fourth Proportional to 937,255.40, 1,405,592.52 and 338,138.76

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Solution

The fourth proportional to 937,255.40, 1,405,592.52 and 338,138.76 is: 507,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,255.40 : 1,405,592.52 = 338,138.76 : x
  2. Step 2: Convert to fraction form
    937,255.40/1,405,592.52 = 338,138.76/x
  3. Step 3: Cross multiply
    937,255.40x = 1,405,592.52 × 338,138.76
  4. Step 4: Simplify right side
    937,255.40x = 475,285,311,778.08
  5. Step 5: Solve for x
    x = 475,285,311,778.08/937,255.40
  6. Step 6: Final answer
    x = 507,103.31

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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.