Home / 778,267.89-1,073,963.41-451,555.59

Finding the Fourth Proportional to 778,267.89, 1,073,963.41 and 451,555.59

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Solution

The fourth proportional to 778,267.89, 1,073,963.41 and 451,555.59 is: 623,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,267.89 : 1,073,963.41 = 451,555.59 : x
  2. Step 2: Convert to fraction form
    778,267.89/1,073,963.41 = 451,555.59/x
  3. Step 3: Cross multiply
    778,267.89x = 1,073,963.41 × 451,555.59
  4. Step 4: Simplify right side
    778,267.89x = 484,954,181,240.96
  5. Step 5: Solve for x
    x = 484,954,181,240.96/778,267.89
  6. Step 6: Final answer
    x = 623,119.86

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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.