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Finding the Fourth Proportional to 504,589.26, 696,355.48 and 289,738.38

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Solution

The fourth proportional to 504,589.26, 696,355.48 and 289,738.38 is: 399,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,589.26 : 696,355.48 = 289,738.38 : x
  2. Step 2: Convert to fraction form
    504,589.26/696,355.48 = 289,738.38/x
  3. Step 3: Cross multiply
    504,589.26x = 696,355.48 × 289,738.38
  4. Step 4: Simplify right side
    504,589.26x = 201,760,908,679.32
  5. Step 5: Solve for x
    x = 201,760,908,679.32/504,589.26
  6. Step 6: Final answer
    x = 399,851.77

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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.