Home / 959,836.88-1,439,930.29-480,315.44

Finding the Fourth Proportional to 959,836.88, 1,439,930.29 and 480,315.44

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Solution

The fourth proportional to 959,836.88, 1,439,930.29 and 480,315.44 is: 720,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,836.88 : 1,439,930.29 = 480,315.44 : x
  2. Step 2: Convert to fraction form
    959,836.88/1,439,930.29 = 480,315.44/x
  3. Step 3: Cross multiply
    959,836.88x = 1,439,930.29 × 480,315.44
  4. Step 4: Simplify right side
    959,836.88x = 691,620,748,409.10
  5. Step 5: Solve for x
    x = 691,620,748,409.10/959,836.88
  6. Step 6: Final answer
    x = 720,560.71

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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.