Home / 796,820.90-1,099,612.84-439,124.90

Finding the Fourth Proportional to 796,820.90, 1,099,612.84 and 439,124.90

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Solution

The fourth proportional to 796,820.90, 1,099,612.84 and 439,124.90 is: 605,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,820.90 : 1,099,612.84 = 439,124.90 : x
  2. Step 2: Convert to fraction form
    796,820.90/1,099,612.84 = 439,124.90/x
  3. Step 3: Cross multiply
    796,820.90x = 1,099,612.84 × 439,124.90
  4. Step 4: Simplify right side
    796,820.90x = 482,867,378,403.72
  5. Step 5: Solve for x
    x = 482,867,378,403.72/796,820.90
  6. Step 6: Final answer
    x = 605,992.36

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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.