Home / 738,140.70-1,107,211.05-264,764.55

Finding the Fourth Proportional to 738,140.70, 1,107,211.05 and 264,764.55

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Solution

The fourth proportional to 738,140.70, 1,107,211.05 and 264,764.55 is: 397,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,140.70 : 1,107,211.05 = 264,764.55 : x
  2. Step 2: Convert to fraction form
    738,140.70/1,107,211.05 = 264,764.55/x
  3. Step 3: Cross multiply
    738,140.70x = 1,107,211.05 × 264,764.55
  4. Step 4: Simplify right side
    738,140.70x = 293,150,235,408.28
  5. Step 5: Solve for x
    x = 293,150,235,408.28/738,140.70
  6. Step 6: Final answer
    x = 397,146.83

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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.