Home / 801,200.40-1,201,800.60-381,296.40

Finding the Fourth Proportional to 801,200.40, 1,201,800.60 and 381,296.40

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Solution

The fourth proportional to 801,200.40, 1,201,800.60 and 381,296.40 is: 571,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,200.40 : 1,201,800.60 = 381,296.40 : x
  2. Step 2: Convert to fraction form
    801,200.40/1,201,800.60 = 381,296.40/x
  3. Step 3: Cross multiply
    801,200.40x = 1,201,800.60 × 381,296.40
  4. Step 4: Simplify right side
    801,200.40x = 458,242,242,297.84
  5. Step 5: Solve for x
    x = 458,242,242,297.84/801,200.40
  6. Step 6: Final answer
    x = 571,944.60

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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.