Home / 842,434.62-1,263,873.51-302,745.42

Finding the Fourth Proportional to 842,434.62, 1,263,873.51 and 302,745.42

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Solution

The fourth proportional to 842,434.62, 1,263,873.51 and 302,745.42 is: 454,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,434.62 : 1,263,873.51 = 302,745.42 : x
  2. Step 2: Convert to fraction form
    842,434.62/1,263,873.51 = 302,745.42/x
  3. Step 3: Cross multiply
    842,434.62x = 1,263,873.51 × 302,745.42
  4. Step 4: Simplify right side
    842,434.62x = 382,631,916,611.82
  5. Step 5: Solve for x
    x = 382,631,916,611.82/842,434.62
  6. Step 6: Final answer
    x = 454,197.76

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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.