Home / 749,323.30-1,123,596.15-275,764.90

Finding the Fourth Proportional to 749,323.30, 1,123,596.15 and 275,764.90

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Solution

The fourth proportional to 749,323.30, 1,123,596.15 and 275,764.90 is: 413,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,323.30 : 1,123,596.15 = 275,764.90 : x
  2. Step 2: Convert to fraction form
    749,323.30/1,123,596.15 = 275,764.90/x
  3. Step 3: Cross multiply
    749,323.30x = 1,123,596.15 × 275,764.90
  4. Step 4: Simplify right side
    749,323.30x = 309,848,379,945.14
  5. Step 5: Solve for x
    x = 309,848,379,945.14/749,323.30
  6. Step 6: Final answer
    x = 413,504.26

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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.