Home / 849,519.09-1,274,500.17-317,044.53

Finding the Fourth Proportional to 849,519.09, 1,274,500.17 and 317,044.53

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Solution

The fourth proportional to 849,519.09, 1,274,500.17 and 317,044.53 is: 475,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,519.09 : 1,274,500.17 = 317,044.53 : x
  2. Step 2: Convert to fraction form
    849,519.09/1,274,500.17 = 317,044.53/x
  3. Step 3: Cross multiply
    849,519.09x = 1,274,500.17 × 317,044.53
  4. Step 4: Simplify right side
    849,519.09x = 404,073,307,382.57
  5. Step 5: Solve for x
    x = 404,073,307,382.57/849,519.09
  6. Step 6: Final answer
    x = 475,649.47

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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.