Home / 805,958.64-1,208,149.56-300,148.56

Finding the Fourth Proportional to 805,958.64, 1,208,149.56 and 300,148.56

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Solution

The fourth proportional to 805,958.64, 1,208,149.56 and 300,148.56 is: 449,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,958.64 : 1,208,149.56 = 300,148.56 : x
  2. Step 2: Convert to fraction form
    805,958.64/1,208,149.56 = 300,148.56/x
  3. Step 3: Cross multiply
    805,958.64x = 1,208,149.56 × 300,148.56
  4. Step 4: Simplify right side
    805,958.64x = 362,624,350,698.63
  5. Step 5: Solve for x
    x = 362,624,350,698.63/805,958.64
  6. Step 6: Final answer
    x = 449,929.23

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1.5x scale

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.