Home / 823,663.94-1,236,292.86-397,499.75

Finding the Fourth Proportional to 823,663.94, 1,236,292.86 and 397,499.75

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Solution

The fourth proportional to 823,663.94, 1,236,292.86 and 397,499.75 is: 596,634.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,663.94 : 1,236,292.86 = 397,499.75 : x
  2. Step 2: Convert to fraction form
    823,663.94/1,236,292.86 = 397,499.75/x
  3. Step 3: Cross multiply
    823,663.94x = 1,236,292.86 × 397,499.75
  4. Step 4: Simplify right side
    823,663.94x = 491,426,105,867.52
  5. Step 5: Solve for x
    x = 491,426,105,867.52/823,663.94
  6. Step 6: Final answer
    x = 596,634.24

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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.