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Finding the Fourth Proportional to 899,958.54, 1,242,069.60 and 551,307

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Solution

The fourth proportional to 899,958.54, 1,242,069.60 and 551,307 is: 760,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,958.54 : 1,242,069.60 = 551,307 : x
  2. Step 2: Convert to fraction form
    899,958.54/1,242,069.60 = 551,307/x
  3. Step 3: Cross multiply
    899,958.54x = 1,242,069.60 × 551,307
  4. Step 4: Simplify right side
    899,958.54x = 684,761,664,967.20
  5. Step 5: Solve for x
    x = 684,761,664,967.20/899,958.54
  6. Step 6: Final answer
    x = 760,881.35

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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.