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Finding the Fourth Proportional to 550,241.60, 759,280.92 and 308,468.72

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Solution

The fourth proportional to 550,241.60, 759,280.92 and 308,468.72 is: 425,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,241.60 : 759,280.92 = 308,468.72 : x
  2. Step 2: Convert to fraction form
    550,241.60/759,280.92 = 308,468.72/x
  3. Step 3: Cross multiply
    550,241.60x = 759,280.92 × 308,468.72
  4. Step 4: Simplify right side
    550,241.60x = 234,214,413,512.82
  5. Step 5: Solve for x
    x = 234,214,413,512.82/550,241.60
  6. Step 6: Final answer
    x = 425,657.41

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1.5x scale

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.