Home / 767,619.06-1,150,624.23-430,164.96

Finding the Fourth Proportional to 767,619.06, 1,150,624.23 and 430,164.96

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Solution

The fourth proportional to 767,619.06, 1,150,624.23 and 430,164.96 is: 644,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,619.06 : 1,150,624.23 = 430,164.96 : x
  2. Step 2: Convert to fraction form
    767,619.06/1,150,624.23 = 430,164.96/x
  3. Step 3: Cross multiply
    767,619.06x = 1,150,624.23 × 430,164.96
  4. Step 4: Simplify right side
    767,619.06x = 494,958,225,872.98
  5. Step 5: Solve for x
    x = 494,958,225,872.98/767,619.06
  6. Step 6: Final answer
    x = 644,796.69

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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.