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Finding the Fourth Proportional to 539,104.40, 808,656.60 and 414,688.40

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Solution

The fourth proportional to 539,104.40, 808,656.60 and 414,688.40 is: 622,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,104.40 : 808,656.60 = 414,688.40 : x
  2. Step 2: Convert to fraction form
    539,104.40/808,656.60 = 414,688.40/x
  3. Step 3: Cross multiply
    539,104.40x = 808,656.60 × 414,688.40
  4. Step 4: Simplify right side
    539,104.40x = 335,340,511,603.44
  5. Step 5: Solve for x
    x = 335,340,511,603.44/539,104.40
  6. Step 6: Final answer
    x = 622,032.60

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Similar ratio
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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.