Home / 862,066.46-1,189,469.70-499,468.25

Finding the Fourth Proportional to 862,066.46, 1,189,469.70 and 499,468.25

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Solution

The fourth proportional to 862,066.46, 1,189,469.70 and 499,468.25 is: 689,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,066.46 : 1,189,469.70 = 499,468.25 : x
  2. Step 2: Convert to fraction form
    862,066.46/1,189,469.70 = 499,468.25/x
  3. Step 3: Cross multiply
    862,066.46x = 1,189,469.70 × 499,468.25
  4. Step 4: Simplify right side
    862,066.46x = 594,102,343,539.68
  5. Step 5: Solve for x
    x = 594,102,343,539.68/862,066.46
  6. Step 6: Final answer
    x = 689,160.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.