Home / 812,537.04-1,218,919.05-339,114

Finding the Fourth Proportional to 812,537.04, 1,218,919.05 and 339,114

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Solution

The fourth proportional to 812,537.04, 1,218,919.05 and 339,114 is: 508,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,537.04 : 1,218,919.05 = 339,114 : x
  2. Step 2: Convert to fraction form
    812,537.04/1,218,919.05 = 339,114/x
  3. Step 3: Cross multiply
    812,537.04x = 1,218,919.05 × 339,114
  4. Step 4: Simplify right side
    812,537.04x = 413,352,514,721.70
  5. Step 5: Solve for x
    x = 413,352,514,721.70/812,537.04
  6. Step 6: Final answer
    x = 508,718.37

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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.