Home / 830,791.80-1,246,088.88-269,825.76

Finding the Fourth Proportional to 830,791.80, 1,246,088.88 and 269,825.76

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Solution

The fourth proportional to 830,791.80, 1,246,088.88 and 269,825.76 is: 404,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,791.80 : 1,246,088.88 = 269,825.76 : x
  2. Step 2: Convert to fraction form
    830,791.80/1,246,088.88 = 269,825.76/x
  3. Step 3: Cross multiply
    830,791.80x = 1,246,088.88 × 269,825.76
  4. Step 4: Simplify right side
    830,791.80x = 336,226,879,073.55
  5. Step 5: Solve for x
    x = 336,226,879,073.55/830,791.80
  6. Step 6: Final answer
    x = 404,706.55

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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.