Home / 783,503.96-1,175,256.20-214,890.98

Finding the Fourth Proportional to 783,503.96, 1,175,256.20 and 214,890.98

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Solution

The fourth proportional to 783,503.96, 1,175,256.20 and 214,890.98 is: 322,336.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,503.96 : 1,175,256.20 = 214,890.98 : x
  2. Step 2: Convert to fraction form
    783,503.96/1,175,256.20 = 214,890.98/x
  3. Step 3: Cross multiply
    783,503.96x = 1,175,256.20 × 214,890.98
  4. Step 4: Simplify right side
    783,503.96x = 252,551,951,230.02
  5. Step 5: Solve for x
    x = 252,551,951,230.02/783,503.96
  6. Step 6: Final answer
    x = 322,336.54

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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.