Home / 805,916.31-1,208,410.80-482,027.91

Finding the Fourth Proportional to 805,916.31, 1,208,410.80 and 482,027.91

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Solution

The fourth proportional to 805,916.31, 1,208,410.80 and 482,027.91 is: 722,764.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,916.31 : 1,208,410.80 = 482,027.91 : x
  2. Step 2: Convert to fraction form
    805,916.31/1,208,410.80 = 482,027.91/x
  3. Step 3: Cross multiply
    805,916.31x = 1,208,410.80 × 482,027.91
  4. Step 4: Simplify right side
    805,916.31x = 582,487,732,345.43
  5. Step 5: Solve for x
    x = 582,487,732,345.43/805,916.31
  6. Step 6: Final answer
    x = 722,764.54

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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.