Home / 859,559.70-1,289,339.55-228,537.30

Finding the Fourth Proportional to 859,559.70, 1,289,339.55 and 228,537.30

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Solution

The fourth proportional to 859,559.70, 1,289,339.55 and 228,537.30 is: 342,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,559.70 : 1,289,339.55 = 228,537.30 : x
  2. Step 2: Convert to fraction form
    859,559.70/1,289,339.55 = 228,537.30/x
  3. Step 3: Cross multiply
    859,559.70x = 1,289,339.55 × 228,537.30
  4. Step 4: Simplify right side
    859,559.70x = 294,662,179,540.22
  5. Step 5: Solve for x
    x = 294,662,179,540.22/859,559.70
  6. Step 6: Final answer
    x = 342,805.95

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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.