Home / 930,875.93-1,396,286.00-256,998.35

Finding the Fourth Proportional to 930,875.93, 1,396,286.00 and 256,998.35

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Solution

The fourth proportional to 930,875.93, 1,396,286.00 and 256,998.35 is: 385,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,875.93 : 1,396,286.00 = 256,998.35 : x
  2. Step 2: Convert to fraction form
    930,875.93/1,396,286.00 = 256,998.35/x
  3. Step 3: Cross multiply
    930,875.93x = 1,396,286.00 × 256,998.35
  4. Step 4: Simplify right side
    930,875.93x = 358,843,201,297.57
  5. Step 5: Solve for x
    x = 358,843,201,297.57/930,875.93
  6. Step 6: Final answer
    x = 385,489.83

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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.