Home / 850,451.32-1,275,678.74-798,488.20

Finding the Fourth Proportional to 850,451.32, 1,275,678.74 and 798,488.20

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Solution

The fourth proportional to 850,451.32, 1,275,678.74 and 798,488.20 is: 1,197,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,451.32 : 1,275,678.74 = 798,488.20 : x
  2. Step 2: Convert to fraction form
    850,451.32/1,275,678.74 = 798,488.20/x
  3. Step 3: Cross multiply
    850,451.32x = 1,275,678.74 × 798,488.20
  4. Step 4: Simplify right side
    850,451.32x = 1,018,614,420,880.87
  5. Step 5: Solve for x
    x = 1,018,614,420,880.87/850,451.32
  6. Step 6: Final answer
    x = 1,197,733.95

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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.