Home / 812,484.04-1,218,839.49-339,060.94

Finding the Fourth Proportional to 812,484.04, 1,218,839.49 and 339,060.94

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Solution

The fourth proportional to 812,484.04, 1,218,839.49 and 339,060.94 is: 508,638.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,484.04 : 1,218,839.49 = 339,060.94 : x
  2. Step 2: Convert to fraction form
    812,484.04/1,218,839.49 = 339,060.94/x
  3. Step 3: Cross multiply
    812,484.04x = 1,218,839.49 × 339,060.94
  4. Step 4: Simplify right side
    812,484.04x = 413,260,863,188.52
  5. Step 5: Solve for x
    x = 413,260,863,188.52/812,484.04
  6. Step 6: Final answer
    x = 508,638.75

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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.