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Finding the Fourth Proportional to 465,455.60, 698,183.40 and 418,216.40

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Solution

The fourth proportional to 465,455.60, 698,183.40 and 418,216.40 is: 627,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,455.60 : 698,183.40 = 418,216.40 : x
  2. Step 2: Convert to fraction form
    465,455.60/698,183.40 = 418,216.40/x
  3. Step 3: Cross multiply
    465,455.60x = 698,183.40 × 418,216.40
  4. Step 4: Simplify right side
    465,455.60x = 291,991,748,087.76
  5. Step 5: Solve for x
    x = 291,991,748,087.76/465,455.60
  6. Step 6: Final answer
    x = 627,324.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.