Home / 959,059.39-1,438,588.68-285,137.77

Finding the Fourth Proportional to 959,059.39, 1,438,588.68 and 285,137.77

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Solution

The fourth proportional to 959,059.39, 1,438,588.68 and 285,137.77 is: 427,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,059.39 : 1,438,588.68 = 285,137.77 : x
  2. Step 2: Convert to fraction form
    959,059.39/1,438,588.68 = 285,137.77/x
  3. Step 3: Cross multiply
    959,059.39x = 1,438,588.68 × 285,137.77
  4. Step 4: Simplify right side
    959,059.39x = 410,195,968,162.44
  5. Step 5: Solve for x
    x = 410,195,968,162.44/959,059.39
  6. Step 6: Final answer
    x = 427,706.53

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1.5x scale

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.