Home / 853,900.67-1,280,662.15-246,557.21

Finding the Fourth Proportional to 853,900.67, 1,280,662.15 and 246,557.21

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Solution

The fourth proportional to 853,900.67, 1,280,662.15 and 246,557.21 is: 369,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,900.67 : 1,280,662.15 = 246,557.21 : x
  2. Step 2: Convert to fraction form
    853,900.67/1,280,662.15 = 246,557.21/x
  3. Step 3: Cross multiply
    853,900.67x = 1,280,662.15 × 246,557.21
  4. Step 4: Simplify right side
    853,900.67x = 315,756,479,636.90
  5. Step 5: Solve for x
    x = 315,756,479,636.90/853,900.67
  6. Step 6: Final answer
    x = 369,781.28

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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.