Home / 804,717.10-1,207,163.10-299,218.78

Finding the Fourth Proportional to 804,717.10, 1,207,163.10 and 299,218.78

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Solution

The fourth proportional to 804,717.10, 1,207,163.10 and 299,218.78 is: 448,860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,717.10 : 1,207,163.10 = 299,218.78 : x
  2. Step 2: Convert to fraction form
    804,717.10/1,207,163.10 = 299,218.78/x
  3. Step 3: Cross multiply
    804,717.10x = 1,207,163.10 × 299,218.78
  4. Step 4: Simplify right side
    804,717.10x = 361,205,870,043.02
  5. Step 5: Solve for x
    x = 361,205,870,043.02/804,717.10
  6. Step 6: Final answer
    x = 448,860.69

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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.