Home / 830,928.80-1,246,393.20-269,963.30

Finding the Fourth Proportional to 830,928.80, 1,246,393.20 and 269,963.30

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Solution

The fourth proportional to 830,928.80, 1,246,393.20 and 269,963.30 is: 404,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,928.80 : 1,246,393.20 = 269,963.30 : x
  2. Step 2: Convert to fraction form
    830,928.80/1,246,393.20 = 269,963.30/x
  3. Step 3: Cross multiply
    830,928.80x = 1,246,393.20 × 269,963.30
  4. Step 4: Simplify right side
    830,928.80x = 336,480,421,369.56
  5. Step 5: Solve for x
    x = 336,480,421,369.56/830,928.80
  6. Step 6: Final answer
    x = 404,944.95

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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.