Home / 886,941.80-1,330,283.10-255,789.80

Finding the Fourth Proportional to 886,941.80, 1,330,283.10 and 255,789.80

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Solution

The fourth proportional to 886,941.80, 1,330,283.10 and 255,789.80 is: 383,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,941.80 : 1,330,283.10 = 255,789.80 : x
  2. Step 2: Convert to fraction form
    886,941.80/1,330,283.10 = 255,789.80/x
  3. Step 3: Cross multiply
    886,941.80x = 1,330,283.10 × 255,789.80
  4. Step 4: Simplify right side
    886,941.80x = 340,272,848,092.38
  5. Step 5: Solve for x
    x = 340,272,848,092.38/886,941.80
  6. Step 6: Final answer
    x = 383,647.32

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Double scale
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Similar ratio
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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.