Home / 853,605.15-1,281,039.23-404,328.37

Finding the Fourth Proportional to 853,605.15, 1,281,039.23 and 404,328.37

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Solution

The fourth proportional to 853,605.15, 1,281,039.23 and 404,328.37 is: 606,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,605.15 : 1,281,039.23 = 404,328.37 : x
  2. Step 2: Convert to fraction form
    853,605.15/1,281,039.23 = 404,328.37/x
  3. Step 3: Cross multiply
    853,605.15x = 1,281,039.23 × 404,328.37
  4. Step 4: Simplify right side
    853,605.15x = 517,960,503,771.96
  5. Step 5: Solve for x
    x = 517,960,503,771.96/853,605.15
  6. Step 6: Final answer
    x = 606,791.68

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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.