Home / 784,859.30-1,082,774.61-493,955.09

Finding the Fourth Proportional to 784,859.30, 1,082,774.61 and 493,955.09

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Solution

The fourth proportional to 784,859.30, 1,082,774.61 and 493,955.09 is: 681,449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,859.30 : 1,082,774.61 = 493,955.09 : x
  2. Step 2: Convert to fraction form
    784,859.30/1,082,774.61 = 493,955.09/x
  3. Step 3: Cross multiply
    784,859.30x = 1,082,774.61 × 493,955.09
  4. Step 4: Simplify right side
    784,859.30x = 534,842,029,932.27
  5. Step 5: Solve for x
    x = 534,842,029,932.27/784,859.30
  6. Step 6: Final answer
    x = 681,449.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.