Home / 451,787.58-623,471.67-247,838.90

Finding the Fourth Proportional to 451,787.58, 623,471.67 and 247,838.90

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Solution

The fourth proportional to 451,787.58, 623,471.67 and 247,838.90 is: 342,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,787.58 : 623,471.67 = 247,838.90 : x
  2. Step 2: Convert to fraction form
    451,787.58/623,471.67 = 247,838.90/x
  3. Step 3: Cross multiply
    451,787.58x = 623,471.67 × 247,838.90
  4. Step 4: Simplify right side
    451,787.58x = 154,520,529,756.61
  5. Step 5: Solve for x
    x = 154,520,529,756.61/451,787.58
  6. Step 6: Final answer
    x = 342,020.31

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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.