Home / 427,913.56-590,529.90-234,329.44

Finding the Fourth Proportional to 427,913.56, 590,529.90 and 234,329.44

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Solution

The fourth proportional to 427,913.56, 590,529.90 and 234,329.44 is: 323,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,913.56 : 590,529.90 = 234,329.44 : x
  2. Step 2: Convert to fraction form
    427,913.56/590,529.90 = 234,329.44/x
  3. Step 3: Cross multiply
    427,913.56x = 590,529.90 × 234,329.44
  4. Step 4: Simplify right side
    427,913.56x = 138,378,540,770.26
  5. Step 5: Solve for x
    x = 138,378,540,770.26/427,913.56
  6. Step 6: Final answer
    x = 323,379.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.