Home / 673,846.20-1,010,769.30-274,281.30

Finding the Fourth Proportional to 673,846.20, 1,010,769.30 and 274,281.30

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Solution

The fourth proportional to 673,846.20, 1,010,769.30 and 274,281.30 is: 411,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,846.20 : 1,010,769.30 = 274,281.30 : x
  2. Step 2: Convert to fraction form
    673,846.20/1,010,769.30 = 274,281.30/x
  3. Step 3: Cross multiply
    673,846.20x = 1,010,769.30 × 274,281.30
  4. Step 4: Simplify right side
    673,846.20x = 277,235,117,604.09
  5. Step 5: Solve for x
    x = 277,235,117,604.09/673,846.20
  6. Step 6: Final answer
    x = 411,421.95

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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.