Home / 862,888.88-1,294,372.20-330,271.76

Finding the Fourth Proportional to 862,888.88, 1,294,372.20 and 330,271.76

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Solution

The fourth proportional to 862,888.88, 1,294,372.20 and 330,271.76 is: 495,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,888.88 : 1,294,372.20 = 330,271.76 : x
  2. Step 2: Convert to fraction form
    862,888.88/1,294,372.20 = 330,271.76/x
  3. Step 3: Cross multiply
    862,888.88x = 1,294,372.20 × 330,271.76
  4. Step 4: Simplify right side
    862,888.88x = 427,494,584,589.07
  5. Step 5: Solve for x
    x = 427,494,584,589.07/862,888.88
  6. Step 6: Final answer
    x = 495,422.52

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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.