Home / 753,846.40-1,131,644.40-454,664.80

Finding the Fourth Proportional to 753,846.40, 1,131,644.40 and 454,664.80

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Solution

The fourth proportional to 753,846.40, 1,131,644.40 and 454,664.80 is: 682,524.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,846.40 : 1,131,644.40 = 454,664.80 : x
  2. Step 2: Convert to fraction form
    753,846.40/1,131,644.40 = 454,664.80/x
  3. Step 3: Cross multiply
    753,846.40x = 1,131,644.40 × 454,664.80
  4. Step 4: Simplify right side
    753,846.40x = 514,518,874,797.12
  5. Step 5: Solve for x
    x = 514,518,874,797.12/753,846.40
  6. Step 6: Final answer
    x = 682,524.82

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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.