Home / 960,094.58-1,440,342.34-320,372.78

Finding the Fourth Proportional to 960,094.58, 1,440,342.34 and 320,372.78

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Solution

The fourth proportional to 960,094.58, 1,440,342.34 and 320,372.78 is: 480,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,094.58 : 1,440,342.34 = 320,372.78 : x
  2. Step 2: Convert to fraction form
    960,094.58/1,440,342.34 = 320,372.78/x
  3. Step 3: Cross multiply
    960,094.58x = 1,440,342.34 × 320,372.78
  4. Step 4: Simplify right side
    960,094.58x = 461,446,471,614.86
  5. Step 5: Solve for x
    x = 461,446,471,614.86/960,094.58
  6. Step 6: Final answer
    x = 480,626.06

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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.