Home / 958,910.76-1,439,249.58-485,931.24

Finding the Fourth Proportional to 958,910.76, 1,439,249.58 and 485,931.24

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Solution

The fourth proportional to 958,910.76, 1,439,249.58 and 485,931.24 is: 729,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,910.76 : 1,439,249.58 = 485,931.24 : x
  2. Step 2: Convert to fraction form
    958,910.76/1,439,249.58 = 485,931.24/x
  3. Step 3: Cross multiply
    958,910.76x = 1,439,249.58 × 485,931.24
  4. Step 4: Simplify right side
    958,910.76x = 699,376,333,078.88
  5. Step 5: Solve for x
    x = 699,376,333,078.88/958,910.76
  6. Step 6: Final answer
    x = 729,344.55

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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.