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Finding the Fourth Proportional to 659,019.16, 988,645.34 and 248,679.64

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Solution

The fourth proportional to 659,019.16, 988,645.34 and 248,679.64 is: 373,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,019.16 : 988,645.34 = 248,679.64 : x
  2. Step 2: Convert to fraction form
    659,019.16/988,645.34 = 248,679.64/x
  3. Step 3: Cross multiply
    659,019.16x = 988,645.34 × 248,679.64
  4. Step 4: Simplify right side
    659,019.16x = 245,855,967,238.88
  5. Step 5: Solve for x
    x = 245,855,967,238.88/659,019.16
  6. Step 6: Final answer
    x = 373,063.46

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Similar ratio
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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.