Home / 789,723-1,184,307.35-220,951.31

Finding the Fourth Proportional to 789,723, 1,184,307.35 and 220,951.31

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Solution

The fourth proportional to 789,723, 1,184,307.35 and 220,951.31 is: 331,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,723 : 1,184,307.35 = 220,951.31 : x
  2. Step 2: Convert to fraction form
    789,723/1,184,307.35 = 220,951.31/x
  3. Step 3: Cross multiply
    789,723x = 1,184,307.35 × 220,951.31
  4. Step 4: Simplify right side
    789,723x = 261,674,253,398.84
  5. Step 5: Solve for x
    x = 261,674,253,398.84/789,723
  6. Step 6: Final answer
    x = 331,349.41

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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.