Home / 816,100.40-1,224,150.60-550,679.60

Finding the Fourth Proportional to 816,100.40, 1,224,150.60 and 550,679.60

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Solution

The fourth proportional to 816,100.40, 1,224,150.60 and 550,679.60 is: 826,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,100.40 : 1,224,150.60 = 550,679.60 : x
  2. Step 2: Convert to fraction form
    816,100.40/1,224,150.60 = 550,679.60/x
  3. Step 3: Cross multiply
    816,100.40x = 1,224,150.60 × 550,679.60
  4. Step 4: Simplify right side
    816,100.40x = 674,114,762,747.76
  5. Step 5: Solve for x
    x = 674,114,762,747.76/816,100.40
  6. Step 6: Final answer
    x = 826,019.40

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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.