Home / 854,583.60-1,282,069.80-499,414.80

Finding the Fourth Proportional to 854,583.60, 1,282,069.80 and 499,414.80

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Solution

The fourth proportional to 854,583.60, 1,282,069.80 and 499,414.80 is: 749,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,583.60 : 1,282,069.80 = 499,414.80 : x
  2. Step 2: Convert to fraction form
    854,583.60/1,282,069.80 = 499,414.80/x
  3. Step 3: Cross multiply
    854,583.60x = 1,282,069.80 × 499,414.80
  4. Step 4: Simplify right side
    854,583.60x = 640,284,632,753.04
  5. Step 5: Solve for x
    x = 640,284,632,753.04/854,583.60
  6. Step 6: Final answer
    x = 749,235.81

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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.