Home / 808,787.50-1,116,126.75-451,091.50

Finding the Fourth Proportional to 808,787.50, 1,116,126.75 and 451,091.50

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Solution

The fourth proportional to 808,787.50, 1,116,126.75 and 451,091.50 is: 622,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,787.50 : 1,116,126.75 = 451,091.50 : x
  2. Step 2: Convert to fraction form
    808,787.50/1,116,126.75 = 451,091.50/x
  3. Step 3: Cross multiply
    808,787.50x = 1,116,126.75 × 451,091.50
  4. Step 4: Simplify right side
    808,787.50x = 503,475,289,847.63
  5. Step 5: Solve for x
    x = 503,475,289,847.63/808,787.50
  6. Step 6: Final answer
    x = 622,506.27

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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.