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Finding the Fourth Proportional to 488,346, 735,846.60 and 401,544

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Solution

The fourth proportional to 488,346, 735,846.60 and 401,544 is: 605,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,346 : 735,846.60 = 401,544 : x
  2. Step 2: Convert to fraction form
    488,346/735,846.60 = 401,544/x
  3. Step 3: Cross multiply
    488,346x = 735,846.60 × 401,544
  4. Step 4: Simplify right side
    488,346x = 295,474,787,150.40
  5. Step 5: Solve for x
    x = 295,474,787,150.40/488,346
  6. Step 6: Final answer
    x = 605,052.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.