Home / 856,277.73-1,181,612.52-469,015.92

Finding the Fourth Proportional to 856,277.73, 1,181,612.52 and 469,015.92

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Solution

The fourth proportional to 856,277.73, 1,181,612.52 and 469,015.92 is: 647,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,277.73 : 1,181,612.52 = 469,015.92 : x
  2. Step 2: Convert to fraction form
    856,277.73/1,181,612.52 = 469,015.92/x
  3. Step 3: Cross multiply
    856,277.73x = 1,181,612.52 × 469,015.92
  4. Step 4: Simplify right side
    856,277.73x = 554,195,083,151.32
  5. Step 5: Solve for x
    x = 554,195,083,151.32/856,277.73
  6. Step 6: Final answer
    x = 647,214.17

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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.