Home / 849,668.47-1,274,502.72-317,231.02

Finding the Fourth Proportional to 849,668.47, 1,274,502.72 and 317,231.02

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Solution

The fourth proportional to 849,668.47, 1,274,502.72 and 317,231.02 is: 475,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,668.47 : 1,274,502.72 = 317,231.02 : x
  2. Step 2: Convert to fraction form
    849,668.47/1,274,502.72 = 317,231.02/x
  3. Step 3: Cross multiply
    849,668.47x = 1,274,502.72 × 317,231.02
  4. Step 4: Simplify right side
    849,668.47x = 404,311,797,858.37
  5. Step 5: Solve for x
    x = 404,311,797,858.37/849,668.47
  6. Step 6: Final answer
    x = 475,846.54

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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.