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Finding the Fourth Proportional to 577,738.70, 797,255.43 and 336,021.74

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Solution

The fourth proportional to 577,738.70, 797,255.43 and 336,021.74 is: 463,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,738.70 : 797,255.43 = 336,021.74 : x
  2. Step 2: Convert to fraction form
    577,738.70/797,255.43 = 336,021.74/x
  3. Step 3: Cross multiply
    577,738.70x = 797,255.43 × 336,021.74
  4. Step 4: Simplify right side
    577,738.70x = 267,895,156,813.05
  5. Step 5: Solve for x
    x = 267,895,156,813.05/577,738.70
  6. Step 6: Final answer
    x = 463,696.06

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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.