Home / 796,805.82-1,099,279.91-490,350.16

Finding the Fourth Proportional to 796,805.82, 1,099,279.91 and 490,350.16

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Solution

The fourth proportional to 796,805.82, 1,099,279.91 and 490,350.16 is: 676,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,805.82 : 1,099,279.91 = 490,350.16 : x
  2. Step 2: Convert to fraction form
    796,805.82/1,099,279.91 = 490,350.16/x
  3. Step 3: Cross multiply
    796,805.82x = 1,099,279.91 × 490,350.16
  4. Step 4: Simplify right side
    796,805.82x = 539,032,080,049.74
  5. Step 5: Solve for x
    x = 539,032,080,049.74/796,805.82
  6. Step 6: Final answer
    x = 676,491.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.