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Finding the Fourth Proportional to 504,037.80, 757,183.10 and 421,093.80

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Solution

The fourth proportional to 504,037.80, 757,183.10 and 421,093.80 is: 632,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,037.80 : 757,183.10 = 421,093.80 : x
  2. Step 2: Convert to fraction form
    504,037.80/757,183.10 = 421,093.80/x
  3. Step 3: Cross multiply
    504,037.80x = 757,183.10 × 421,093.80
  4. Step 4: Simplify right side
    504,037.80x = 318,845,108,874.78
  5. Step 5: Solve for x
    x = 318,845,108,874.78/504,037.80
  6. Step 6: Final answer
    x = 632,581.74

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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.