Home / 886,860.96-1,330,488.40-255,725.60

Finding the Fourth Proportional to 886,860.96, 1,330,488.40 and 255,725.60

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Solution

The fourth proportional to 886,860.96, 1,330,488.40 and 255,725.60 is: 383,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,860.96 : 1,330,488.40 = 255,725.60 : x
  2. Step 2: Convert to fraction form
    886,860.96/1,330,488.40 = 255,725.60/x
  3. Step 3: Cross multiply
    886,860.96x = 1,330,488.40 × 255,725.60
  4. Step 4: Simplify right side
    886,860.96x = 340,239,944,383.04
  5. Step 5: Solve for x
    x = 340,239,944,383.04/886,860.96
  6. Step 6: Final answer
    x = 383,645.19

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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.