Home / 705,224.40-1,058,419.80-326,727.60

Finding the Fourth Proportional to 705,224.40, 1,058,419.80 and 326,727.60

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Solution

The fourth proportional to 705,224.40, 1,058,419.80 and 326,727.60 is: 490,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,224.40 : 1,058,419.80 = 326,727.60 : x
  2. Step 2: Convert to fraction form
    705,224.40/1,058,419.80 = 326,727.60/x
  3. Step 3: Cross multiply
    705,224.40x = 1,058,419.80 × 326,727.60
  4. Step 4: Simplify right side
    705,224.40x = 345,814,961,046.48
  5. Step 5: Solve for x
    x = 345,814,961,046.48/705,224.40
  6. Step 6: Final answer
    x = 490,361.59

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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.