Home / 747,178.37-1,120,647.25-214,578.26

Finding the Fourth Proportional to 747,178.37, 1,120,647.25 and 214,578.26

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Solution

The fourth proportional to 747,178.37, 1,120,647.25 and 214,578.26 is: 321,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,178.37 : 1,120,647.25 = 214,578.26 : x
  2. Step 2: Convert to fraction form
    747,178.37/1,120,647.25 = 214,578.26/x
  3. Step 3: Cross multiply
    747,178.37x = 1,120,647.25 × 214,578.26
  4. Step 4: Simplify right side
    747,178.37x = 240,466,536,978.79
  5. Step 5: Solve for x
    x = 240,466,536,978.79/747,178.37
  6. Step 6: Final answer
    x = 321,832.84

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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.