Home / 817,523.44-1,226,534.84-418,446.96

Finding the Fourth Proportional to 817,523.44, 1,226,534.84 and 418,446.96

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Solution

The fourth proportional to 817,523.44, 1,226,534.84 and 418,446.96 is: 627,798.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,523.44 : 1,226,534.84 = 418,446.96 : x
  2. Step 2: Convert to fraction form
    817,523.44/1,226,534.84 = 418,446.96/x
  3. Step 3: Cross multiply
    817,523.44x = 1,226,534.84 × 418,446.96
  4. Step 4: Simplify right side
    817,523.44x = 513,239,775,132.09
  5. Step 5: Solve for x
    x = 513,239,775,132.09/817,523.44
  6. Step 6: Final answer
    x = 627,798.24

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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.