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Finding the Fourth Proportional to 414,925.20, 622,387.80 and 370,310.40

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Solution

The fourth proportional to 414,925.20, 622,387.80 and 370,310.40 is: 555,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,925.20 : 622,387.80 = 370,310.40 : x
  2. Step 2: Convert to fraction form
    414,925.20/622,387.80 = 370,310.40/x
  3. Step 3: Cross multiply
    414,925.20x = 622,387.80 × 370,310.40
  4. Step 4: Simplify right side
    414,925.20x = 230,476,675,173.12
  5. Step 5: Solve for x
    x = 230,476,675,173.12/414,925.20
  6. Step 6: Final answer
    x = 555,465.60

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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.