Home / 776,142.82-1,164,214.55-349,180.03

Finding the Fourth Proportional to 776,142.82, 1,164,214.55 and 349,180.03

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Solution

The fourth proportional to 776,142.82, 1,164,214.55 and 349,180.03 is: 523,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,142.82 : 1,164,214.55 = 349,180.03 : x
  2. Step 2: Convert to fraction form
    776,142.82/1,164,214.55 = 349,180.03/x
  3. Step 3: Cross multiply
    776,142.82x = 1,164,214.55 × 349,180.03
  4. Step 4: Simplify right side
    776,142.82x = 406,520,471,495.44
  5. Step 5: Solve for x
    x = 406,520,471,495.44/776,142.82
  6. Step 6: Final answer
    x = 523,770.19

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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.