Home / 531,625.08-797,238.90-215,975.64

Finding the Fourth Proportional to 531,625.08, 797,238.90 and 215,975.64

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Solution

The fourth proportional to 531,625.08, 797,238.90 and 215,975.64 is: 323,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,625.08 : 797,238.90 = 215,975.64 : x
  2. Step 2: Convert to fraction form
    531,625.08/797,238.90 = 215,975.64/x
  3. Step 3: Cross multiply
    531,625.08x = 797,238.90 × 215,975.64
  4. Step 4: Simplify right side
    531,625.08x = 172,184,181,660.40
  5. Step 5: Solve for x
    x = 172,184,181,660.40/531,625.08
  6. Step 6: Final answer
    x = 323,882.73

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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.