Home / 830,760.84-1,246,362.78-298,286.49

Finding the Fourth Proportional to 830,760.84, 1,246,362.78 and 298,286.49

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Solution

The fourth proportional to 830,760.84, 1,246,362.78 and 298,286.49 is: 447,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,760.84 : 1,246,362.78 = 298,286.49 : x
  2. Step 2: Convert to fraction form
    830,760.84/1,246,362.78 = 298,286.49/x
  3. Step 3: Cross multiply
    830,760.84x = 1,246,362.78 × 298,286.49
  4. Step 4: Simplify right side
    830,760.84x = 371,773,175,357.56
  5. Step 5: Solve for x
    x = 371,773,175,357.56/830,760.84
  6. Step 6: Final answer
    x = 447,509.27

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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.