Home / 849,690.72-1,274,536.12-317,253.28

Finding the Fourth Proportional to 849,690.72, 1,274,536.12 and 317,253.28

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Solution

The fourth proportional to 849,690.72, 1,274,536.12 and 317,253.28 is: 475,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,690.72 : 1,274,536.12 = 317,253.28 : x
  2. Step 2: Convert to fraction form
    849,690.72/1,274,536.12 = 317,253.28/x
  3. Step 3: Cross multiply
    849,690.72x = 1,274,536.12 × 317,253.28
  4. Step 4: Simplify right side
    849,690.72x = 404,350,764,548.47
  5. Step 5: Solve for x
    x = 404,350,764,548.47/849,690.72
  6. Step 6: Final answer
    x = 475,879.93

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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.