Home / 389,865.44-584,819.01-123,647.19

Finding the Fourth Proportional to 389,865.44, 584,819.01 and 123,647.19

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Solution

The fourth proportional to 389,865.44, 584,819.01 and 123,647.19 is: 185,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,865.44 : 584,819.01 = 123,647.19 : x
  2. Step 2: Convert to fraction form
    389,865.44/584,819.01 = 123,647.19/x
  3. Step 3: Cross multiply
    389,865.44x = 584,819.01 × 123,647.19
  4. Step 4: Simplify right side
    389,865.44x = 72,311,227,245.08
  5. Step 5: Solve for x
    x = 72,311,227,245.08/389,865.44
  6. Step 6: Final answer
    x = 185,477.40

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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.