Home / 855,761.76-1,180,951.30-468,601.58

Finding the Fourth Proportional to 855,761.76, 1,180,951.30 and 468,601.58

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Solution

The fourth proportional to 855,761.76, 1,180,951.30 and 468,601.58 is: 646,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,761.76 : 1,180,951.30 = 468,601.58 : x
  2. Step 2: Convert to fraction form
    855,761.76/1,180,951.30 = 468,601.58/x
  3. Step 3: Cross multiply
    855,761.76x = 1,180,951.30 × 468,601.58
  4. Step 4: Simplify right side
    855,761.76x = 553,395,645,083.05
  5. Step 5: Solve for x
    x = 553,395,645,083.05/855,761.76
  6. Step 6: Final answer
    x = 646,670.22

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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.