Home / 796,872.64-1,100,761.20-636,849.28

Finding the Fourth Proportional to 796,872.64, 1,100,761.20 and 636,849.28

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Solution

The fourth proportional to 796,872.64, 1,100,761.20 and 636,849.28 is: 879,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,872.64 : 1,100,761.20 = 636,849.28 : x
  2. Step 2: Convert to fraction form
    796,872.64/1,100,761.20 = 636,849.28/x
  3. Step 3: Cross multiply
    796,872.64x = 1,100,761.20 × 636,849.28
  4. Step 4: Simplify right side
    796,872.64x = 701,018,977,671.94
  5. Step 5: Solve for x
    x = 701,018,977,671.94/796,872.64
  6. Step 6: Final answer
    x = 879,712.69

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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.