Home / 862,939.86-1,294,992.99-301,979.22

Finding the Fourth Proportional to 862,939.86, 1,294,992.99 and 301,979.22

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Solution

The fourth proportional to 862,939.86, 1,294,992.99 and 301,979.22 is: 453,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,939.86 : 1,294,992.99 = 301,979.22 : x
  2. Step 2: Convert to fraction form
    862,939.86/1,294,992.99 = 301,979.22/x
  3. Step 3: Cross multiply
    862,939.86x = 1,294,992.99 × 301,979.22
  4. Step 4: Simplify right side
    862,939.86x = 391,060,973,025.67
  5. Step 5: Solve for x
    x = 391,060,973,025.67/862,939.86
  6. Step 6: Final answer
    x = 453,172.92

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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.