Home / 659,349.63-988,986.18-254,462.64

Finding the Fourth Proportional to 659,349.63, 988,986.18 and 254,462.64

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Solution

The fourth proportional to 659,349.63, 988,986.18 and 254,462.64 is: 381,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,349.63 : 988,986.18 = 254,462.64 : x
  2. Step 2: Convert to fraction form
    659,349.63/988,986.18 = 254,462.64/x
  3. Step 3: Cross multiply
    659,349.63x = 988,986.18 × 254,462.64
  4. Step 4: Simplify right side
    659,349.63x = 251,660,034,286.32
  5. Step 5: Solve for x
    x = 251,660,034,286.32/659,349.63
  6. Step 6: Final answer
    x = 381,679.19

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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.