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Finding the Fourth Proportional to 551,293.60, 827,134.80 and 531,853.60

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Solution

The fourth proportional to 551,293.60, 827,134.80 and 531,853.60 is: 797,967.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,293.60 : 827,134.80 = 531,853.60 : x
  2. Step 2: Convert to fraction form
    551,293.60/827,134.80 = 531,853.60/x
  3. Step 3: Cross multiply
    551,293.60x = 827,134.80 × 531,853.60
  4. Step 4: Simplify right side
    551,293.60x = 439,914,621,065.28
  5. Step 5: Solve for x
    x = 439,914,621,065.28/551,293.60
  6. Step 6: Final answer
    x = 797,967.94

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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.