Home / 584,128.52-806,121.78-369,190.52

Finding the Fourth Proportional to 584,128.52, 806,121.78 and 369,190.52

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Solution

The fourth proportional to 584,128.52, 806,121.78 and 369,190.52 is: 509,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,128.52 : 806,121.78 = 369,190.52 : x
  2. Step 2: Convert to fraction form
    584,128.52/806,121.78 = 369,190.52/x
  3. Step 3: Cross multiply
    584,128.52x = 806,121.78 × 369,190.52
  4. Step 4: Simplify right side
    584,128.52x = 297,612,519,141.53
  5. Step 5: Solve for x
    x = 297,612,519,141.53/584,128.52
  6. Step 6: Final answer
    x = 509,498.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.