Home / 987,653.24-1,481,598.54-347,824.76

Finding the Fourth Proportional to 987,653.24, 1,481,598.54 and 347,824.76

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Solution

The fourth proportional to 987,653.24, 1,481,598.54 and 347,824.76 is: 521,778.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,653.24 : 1,481,598.54 = 347,824.76 : x
  2. Step 2: Convert to fraction form
    987,653.24/1,481,598.54 = 347,824.76/x
  3. Step 3: Cross multiply
    987,653.24x = 1,481,598.54 × 347,824.76
  4. Step 4: Simplify right side
    987,653.24x = 515,336,656,591.85
  5. Step 5: Solve for x
    x = 515,336,656,591.85/987,653.24
  6. Step 6: Final answer
    x = 521,778.94

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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.