Home / 800,347.72-1,200,433.14-201,309.12

Finding the Fourth Proportional to 800,347.72, 1,200,433.14 and 201,309.12

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Solution

The fourth proportional to 800,347.72, 1,200,433.14 and 201,309.12 is: 301,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,347.72 : 1,200,433.14 = 201,309.12 : x
  2. Step 2: Convert to fraction form
    800,347.72/1,200,433.14 = 201,309.12/x
  3. Step 3: Cross multiply
    800,347.72x = 1,200,433.14 × 201,309.12
  4. Step 4: Simplify right side
    800,347.72x = 241,658,133,030.07
  5. Step 5: Solve for x
    x = 241,658,133,030.07/800,347.72
  6. Step 6: Final answer
    x = 301,941.43

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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.