Home / 849,721.92-1,274,582.96-317,284.64

Finding the Fourth Proportional to 849,721.92, 1,274,582.96 and 317,284.64

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Solution

The fourth proportional to 849,721.92, 1,274,582.96 and 317,284.64 is: 475,926.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,721.92 : 1,274,582.96 = 317,284.64 : x
  2. Step 2: Convert to fraction form
    849,721.92/1,274,582.96 = 317,284.64/x
  3. Step 3: Cross multiply
    849,721.92x = 1,274,582.96 × 317,284.64
  4. Step 4: Simplify right side
    849,721.92x = 404,405,595,613.73
  5. Step 5: Solve for x
    x = 404,405,595,613.73/849,721.92
  6. Step 6: Final answer
    x = 475,926.99

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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.