Home / 887,043.30-1,330,085.56-279,717.04

Finding the Fourth Proportional to 887,043.30, 1,330,085.56 and 279,717.04

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Solution

The fourth proportional to 887,043.30, 1,330,085.56 and 279,717.04 is: 419,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,043.30 : 1,330,085.56 = 279,717.04 : x
  2. Step 2: Convert to fraction form
    887,043.30/1,330,085.56 = 279,717.04/x
  3. Step 3: Cross multiply
    887,043.30x = 1,330,085.56 × 279,717.04
  4. Step 4: Simplify right side
    887,043.30x = 372,047,595,789.94
  5. Step 5: Solve for x
    x = 372,047,595,789.94/887,043.30
  6. Step 6: Final answer
    x = 419,424.39

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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.