Home / 849,843.28-1,274,768.04-317,358.64

Finding the Fourth Proportional to 849,843.28, 1,274,768.04 and 317,358.64

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Solution

The fourth proportional to 849,843.28, 1,274,768.04 and 317,358.64 is: 476,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,843.28 : 1,274,768.04 = 317,358.64 : x
  2. Step 2: Convert to fraction form
    849,843.28/1,274,768.04 = 317,358.64/x
  3. Step 3: Cross multiply
    849,843.28x = 1,274,768.04 × 317,358.64
  4. Step 4: Simplify right side
    849,843.28x = 404,558,651,489.87
  5. Step 5: Solve for x
    x = 404,558,651,489.87/849,843.28
  6. Step 6: Final answer
    x = 476,039.13

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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.