Home / 812,801.88-1,219,006.50-339,230.52

Finding the Fourth Proportional to 812,801.88, 1,219,006.50 and 339,230.52

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Solution

The fourth proportional to 812,801.88, 1,219,006.50 and 339,230.52 is: 508,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,801.88 : 1,219,006.50 = 339,230.52 : x
  2. Step 2: Convert to fraction form
    812,801.88/1,219,006.50 = 339,230.52/x
  3. Step 3: Cross multiply
    812,801.88x = 1,219,006.50 × 339,230.52
  4. Step 4: Simplify right side
    812,801.88x = 413,524,208,878.38
  5. Step 5: Solve for x
    x = 413,524,208,878.38/812,801.88
  6. Step 6: Final answer
    x = 508,763.84

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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.