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Finding the Fourth Proportional to 653,183.60, 901,331.12 and 366,638

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Solution

The fourth proportional to 653,183.60, 901,331.12 and 366,638 is: 505,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,183.60 : 901,331.12 = 366,638 : x
  2. Step 2: Convert to fraction form
    653,183.60/901,331.12 = 366,638/x
  3. Step 3: Cross multiply
    653,183.60x = 901,331.12 × 366,638
  4. Step 4: Simplify right side
    653,183.60x = 330,462,239,174.56
  5. Step 5: Solve for x
    x = 330,462,239,174.56/653,183.60
  6. Step 6: Final answer
    x = 505,925.50

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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.