Home / 851,328.39-1,276,992.59-808,758.44

Finding the Fourth Proportional to 851,328.39, 1,276,992.59 and 808,758.44

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Solution

The fourth proportional to 851,328.39, 1,276,992.59 and 808,758.44 is: 1,213,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,328.39 : 1,276,992.59 = 808,758.44 : x
  2. Step 2: Convert to fraction form
    851,328.39/1,276,992.59 = 808,758.44/x
  3. Step 3: Cross multiply
    851,328.39x = 1,276,992.59 × 808,758.44
  4. Step 4: Simplify right side
    851,328.39x = 1,032,778,524,551.20
  5. Step 5: Solve for x
    x = 1,032,778,524,551.20/851,328.39
  6. Step 6: Final answer
    x = 1,213,137.65

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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.