Home / 808,752.90-1,212,858.24-268,884.66

Finding the Fourth Proportional to 808,752.90, 1,212,858.24 and 268,884.66

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Solution

The fourth proportional to 808,752.90, 1,212,858.24 and 268,884.66 is: 403,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,752.90 : 1,212,858.24 = 268,884.66 : x
  2. Step 2: Convert to fraction form
    808,752.90/1,212,858.24 = 268,884.66/x
  3. Step 3: Cross multiply
    808,752.90x = 1,212,858.24 × 268,884.66
  4. Step 4: Simplify right side
    808,752.90x = 326,118,975,490.60
  5. Step 5: Solve for x
    x = 326,118,975,490.60/808,752.90
  6. Step 6: Final answer
    x = 403,236.85

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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.