Home / 937,238.77-1,405,567.25-338,121.86

Finding the Fourth Proportional to 937,238.77, 1,405,567.25 and 338,121.86

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Solution

The fourth proportional to 937,238.77, 1,405,567.25 and 338,121.86 is: 507,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,238.77 : 1,405,567.25 = 338,121.86 : x
  2. Step 2: Convert to fraction form
    937,238.77/1,405,567.25 = 338,121.86/x
  3. Step 3: Cross multiply
    937,238.77x = 1,405,567.25 × 338,121.86
  4. Step 4: Simplify right side
    937,238.77x = 475,253,011,234.48
  5. Step 5: Solve for x
    x = 475,253,011,234.48/937,238.77
  6. Step 6: Final answer
    x = 507,077.84

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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.