Home / 868,181.55-1,302,272.33-728,213.55

Finding the Fourth Proportional to 868,181.55, 1,302,272.33 and 728,213.55

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Solution

The fourth proportional to 868,181.55, 1,302,272.33 and 728,213.55 is: 1,092,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,181.55 : 1,302,272.33 = 728,213.55 : x
  2. Step 2: Convert to fraction form
    868,181.55/1,302,272.33 = 728,213.55/x
  3. Step 3: Cross multiply
    868,181.55x = 1,302,272.33 × 728,213.55
  4. Step 4: Simplify right side
    868,181.55x = 948,332,352,855.00
  5. Step 5: Solve for x
    x = 948,332,352,855.00/868,181.55
  6. Step 6: Final answer
    x = 1,092,320.33

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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.