Home / 777,669.25-1,166,963.16-328,361.05

Finding the Fourth Proportional to 777,669.25, 1,166,963.16 and 328,361.05

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Solution

The fourth proportional to 777,669.25, 1,166,963.16 and 328,361.05 is: 492,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,669.25 : 1,166,963.16 = 328,361.05 : x
  2. Step 2: Convert to fraction form
    777,669.25/1,166,963.16 = 328,361.05/x
  3. Step 3: Cross multiply
    777,669.25x = 1,166,963.16 × 328,361.05
  4. Step 4: Simplify right side
    777,669.25x = 383,185,248,528.92
  5. Step 5: Solve for x
    x = 383,185,248,528.92/777,669.25
  6. Step 6: Final answer
    x = 492,735.50

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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.