Home / 805,915.31-1,208,409.30-482,026.91

Finding the Fourth Proportional to 805,915.31, 1,208,409.30 and 482,026.91

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Solution

The fourth proportional to 805,915.31, 1,208,409.30 and 482,026.91 is: 722,763.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,915.31 : 1,208,409.30 = 482,026.91 : x
  2. Step 2: Convert to fraction form
    805,915.31/1,208,409.30 = 482,026.91/x
  3. Step 3: Cross multiply
    805,915.31x = 1,208,409.30 × 482,026.91
  4. Step 4: Simplify right side
    805,915.31x = 582,485,794,852.22
  5. Step 5: Solve for x
    x = 582,485,794,852.22/805,915.31
  6. Step 6: Final answer
    x = 722,763.04

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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.