Home / 767,617.56-1,150,621.98-430,163.46

Finding the Fourth Proportional to 767,617.56, 1,150,621.98 and 430,163.46

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Solution

The fourth proportional to 767,617.56, 1,150,621.98 and 430,163.46 is: 644,794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,617.56 : 1,150,621.98 = 430,163.46 : x
  2. Step 2: Convert to fraction form
    767,617.56/1,150,621.98 = 430,163.46/x
  3. Step 3: Cross multiply
    767,617.56x = 1,150,621.98 × 430,163.46
  4. Step 4: Simplify right side
    767,617.56x = 494,955,532,068.85
  5. Step 5: Solve for x
    x = 494,955,532,068.85/767,617.56
  6. Step 6: Final answer
    x = 644,794.44

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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.