Home / 907,701.78-1,361,754.96-276,664.80

Finding the Fourth Proportional to 907,701.78, 1,361,754.96 and 276,664.80

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Solution

The fourth proportional to 907,701.78, 1,361,754.96 and 276,664.80 is: 415,058.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,701.78 : 1,361,754.96 = 276,664.80 : x
  2. Step 2: Convert to fraction form
    907,701.78/1,361,754.96 = 276,664.80/x
  3. Step 3: Cross multiply
    907,701.78x = 1,361,754.96 × 276,664.80
  4. Step 4: Simplify right side
    907,701.78x = 376,749,663,657.41
  5. Step 5: Solve for x
    x = 376,749,663,657.41/907,701.78
  6. Step 6: Final answer
    x = 415,058.86

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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.