Home / 886,914.80-1,330,372.20-325,876.40

Finding the Fourth Proportional to 886,914.80, 1,330,372.20 and 325,876.40

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Solution

The fourth proportional to 886,914.80, 1,330,372.20 and 325,876.40 is: 488,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,914.80 : 1,330,372.20 = 325,876.40 : x
  2. Step 2: Convert to fraction form
    886,914.80/1,330,372.20 = 325,876.40/x
  3. Step 3: Cross multiply
    886,914.80x = 1,330,372.20 × 325,876.40
  4. Step 4: Simplify right side
    886,914.80x = 433,536,903,196.08
  5. Step 5: Solve for x
    x = 433,536,903,196.08/886,914.80
  6. Step 6: Final answer
    x = 488,814.60

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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.