Home / 987,648.42-1,481,591.32-347,819.91

Finding the Fourth Proportional to 987,648.42, 1,481,591.32 and 347,819.91

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Solution

The fourth proportional to 987,648.42, 1,481,591.32 and 347,819.91 is: 521,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,648.42 : 1,481,591.32 = 347,819.91 : x
  2. Step 2: Convert to fraction form
    987,648.42/1,481,591.32 = 347,819.91/x
  3. Step 3: Cross multiply
    987,648.42x = 1,481,591.32 × 347,819.91
  4. Step 4: Simplify right side
    987,648.42x = 515,326,953,153.66
  5. Step 5: Solve for x
    x = 515,326,953,153.66/987,648.42
  6. Step 6: Final answer
    x = 521,771.66

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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.