Home / 753,906.36-1,130,914.44-280,591.56

Finding the Fourth Proportional to 753,906.36, 1,130,914.44 and 280,591.56

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Solution

The fourth proportional to 753,906.36, 1,130,914.44 and 280,591.56 is: 420,907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,906.36 : 1,130,914.44 = 280,591.56 : x
  2. Step 2: Convert to fraction form
    753,906.36/1,130,914.44 = 280,591.56/x
  3. Step 3: Cross multiply
    753,906.36x = 1,130,914.44 × 280,591.56
  4. Step 4: Simplify right side
    753,906.36x = 317,325,046,946.13
  5. Step 5: Solve for x
    x = 317,325,046,946.13/753,906.36
  6. Step 6: Final answer
    x = 420,907.77

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Double scale
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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.