Home / 808,127.24-1,115,214.08-445,548.56

Finding the Fourth Proportional to 808,127.24, 1,115,214.08 and 445,548.56

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Solution

The fourth proportional to 808,127.24, 1,115,214.08 and 445,548.56 is: 614,856.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,127.24 : 1,115,214.08 = 445,548.56 : x
  2. Step 2: Convert to fraction form
    808,127.24/1,115,214.08 = 445,548.56/x
  3. Step 3: Cross multiply
    808,127.24x = 1,115,214.08 × 445,548.56
  4. Step 4: Simplify right side
    808,127.24x = 496,882,027,435.73
  5. Step 5: Solve for x
    x = 496,882,027,435.73/808,127.24
  6. Step 6: Final answer
    x = 614,856.18

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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.