Home / 884,334.88-1,326,760.44-285,283.72

Finding the Fourth Proportional to 884,334.88, 1,326,760.44 and 285,283.72

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Solution

The fourth proportional to 884,334.88, 1,326,760.44 and 285,283.72 is: 428,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,334.88 : 1,326,760.44 = 285,283.72 : x
  2. Step 2: Convert to fraction form
    884,334.88/1,326,760.44 = 285,283.72/x
  3. Step 3: Cross multiply
    884,334.88x = 1,326,760.44 × 285,283.72
  4. Step 4: Simplify right side
    884,334.88x = 378,503,153,872.04
  5. Step 5: Solve for x
    x = 378,503,153,872.04/884,334.88
  6. Step 6: Final answer
    x = 428,008.85

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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.