Home / 673,764.70-1,010,647.05-274,199.80

Finding the Fourth Proportional to 673,764.70, 1,010,647.05 and 274,199.80

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Solution

The fourth proportional to 673,764.70, 1,010,647.05 and 274,199.80 is: 411,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,764.70 : 1,010,647.05 = 274,199.80 : x
  2. Step 2: Convert to fraction form
    673,764.70/1,010,647.05 = 274,199.80/x
  3. Step 3: Cross multiply
    673,764.70x = 1,010,647.05 × 274,199.80
  4. Step 4: Simplify right side
    673,764.70x = 277,119,218,980.59
  5. Step 5: Solve for x
    x = 277,119,218,980.59/673,764.70
  6. Step 6: Final answer
    x = 411,299.70

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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.