Home / 801,313.40-1,200,223.38-401,256.44

Finding the Fourth Proportional to 801,313.40, 1,200,223.38 and 401,256.44

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Solution

The fourth proportional to 801,313.40, 1,200,223.38 and 401,256.44 is: 601,009.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,313.40 : 1,200,223.38 = 401,256.44 : x
  2. Step 2: Convert to fraction form
    801,313.40/1,200,223.38 = 401,256.44/x
  3. Step 3: Cross multiply
    801,313.40x = 1,200,223.38 × 401,256.44
  4. Step 4: Simplify right side
    801,313.40x = 481,597,360,663.57
  5. Step 5: Solve for x
    x = 481,597,360,663.57/801,313.40
  6. Step 6: Final answer
    x = 601,009.99

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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.