Home / 808,649.16-1,212,845.20-268,860.54

Finding the Fourth Proportional to 808,649.16, 1,212,845.20 and 268,860.54

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Solution

The fourth proportional to 808,649.16, 1,212,845.20 and 268,860.54 is: 403,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,649.16 : 1,212,845.20 = 268,860.54 : x
  2. Step 2: Convert to fraction form
    808,649.16/1,212,845.20 = 268,860.54/x
  3. Step 3: Cross multiply
    808,649.16x = 1,212,845.20 × 268,860.54
  4. Step 4: Simplify right side
    808,649.16x = 326,086,219,284.43
  5. Step 5: Solve for x
    x = 326,086,219,284.43/808,649.16
  6. Step 6: Final answer
    x = 403,248.08

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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.