Home / 1,005,546.69-1,507,999.77-331,502.31

Finding the Fourth Proportional to 1,005,546.69, 1,507,999.77 and 331,502.31

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Solution

The fourth proportional to 1,005,546.69, 1,507,999.77 and 331,502.31 is: 497,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,546.69 : 1,507,999.77 = 331,502.31 : x
  2. Step 2: Convert to fraction form
    1,005,546.69/1,507,999.77 = 331,502.31/x
  3. Step 3: Cross multiply
    1,005,546.69x = 1,507,999.77 × 331,502.31
  4. Step 4: Simplify right side
    1,005,546.69x = 499,905,407,234.47
  5. Step 5: Solve for x
    x = 499,905,407,234.47/1,005,546.69
  6. Step 6: Final answer
    x = 497,147.88

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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.