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Finding the Fourth Proportional to 551,268.60, 826,902.90 and 426,852.60

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Solution

The fourth proportional to 551,268.60, 826,902.90 and 426,852.60 is: 640,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,268.60 : 826,902.90 = 426,852.60 : x
  2. Step 2: Convert to fraction form
    551,268.60/826,902.90 = 426,852.60/x
  3. Step 3: Cross multiply
    551,268.60x = 826,902.90 × 426,852.60
  4. Step 4: Simplify right side
    551,268.60x = 352,965,652,812.54
  5. Step 5: Solve for x
    x = 352,965,652,812.54/551,268.60
  6. Step 6: Final answer
    x = 640,278.90

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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.