Home / 959,357.96-1,438,786.20-285,257.72

Finding the Fourth Proportional to 959,357.96, 1,438,786.20 and 285,257.72

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Solution

The fourth proportional to 959,357.96, 1,438,786.20 and 285,257.72 is: 427,812.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,357.96 : 1,438,786.20 = 285,257.72 : x
  2. Step 2: Convert to fraction form
    959,357.96/1,438,786.20 = 285,257.72/x
  3. Step 3: Cross multiply
    959,357.96x = 1,438,786.20 × 285,257.72
  4. Step 4: Simplify right side
    959,357.96x = 410,424,870,979.46
  5. Step 5: Solve for x
    x = 410,424,870,979.46/959,357.96
  6. Step 6: Final answer
    x = 427,812.02

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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.