Home / 495,787.80-684,185.22-280,968.96

Finding the Fourth Proportional to 495,787.80, 684,185.22 and 280,968.96

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Solution

The fourth proportional to 495,787.80, 684,185.22 and 280,968.96 is: 387,736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,787.80 : 684,185.22 = 280,968.96 : x
  2. Step 2: Convert to fraction form
    495,787.80/684,185.22 = 280,968.96/x
  3. Step 3: Cross multiply
    495,787.80x = 684,185.22 × 280,968.96
  4. Step 4: Simplify right side
    495,787.80x = 192,234,809,710.77
  5. Step 5: Solve for x
    x = 192,234,809,710.77/495,787.80
  6. Step 6: Final answer
    x = 387,736.06

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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.