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Finding the Fourth Proportional to 488,622.18, 731,924.46 and 362,404.94

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Solution

The fourth proportional to 488,622.18, 731,924.46 and 362,404.94 is: 542,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,622.18 : 731,924.46 = 362,404.94 : x
  2. Step 2: Convert to fraction form
    488,622.18/731,924.46 = 362,404.94/x
  3. Step 3: Cross multiply
    488,622.18x = 731,924.46 × 362,404.94
  4. Step 4: Simplify right side
    488,622.18x = 265,253,040,010.83
  5. Step 5: Solve for x
    x = 265,253,040,010.83/488,622.18
  6. Step 6: Final answer
    x = 542,859.19

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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.