Home / 808,136.25-1,115,948.92-769,852.82

Finding the Fourth Proportional to 808,136.25, 1,115,948.92 and 769,852.82

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Solution

The fourth proportional to 808,136.25, 1,115,948.92 and 769,852.82 is: 1,063,083.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,136.25 : 1,115,948.92 = 769,852.82 : x
  2. Step 2: Convert to fraction form
    808,136.25/1,115,948.92 = 769,852.82/x
  3. Step 3: Cross multiply
    808,136.25x = 1,115,948.92 × 769,852.82
  4. Step 4: Simplify right side
    808,136.25x = 859,116,417,458.21
  5. Step 5: Solve for x
    x = 859,116,417,458.21/808,136.25
  6. Step 6: Final answer
    x = 1,063,083.63

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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.