Home / 793,047.40-1,190,348.70-394,138.60

Finding the Fourth Proportional to 793,047.40, 1,190,348.70 and 394,138.60

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Solution

The fourth proportional to 793,047.40, 1,190,348.70 and 394,138.60 is: 591,594.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,047.40 : 1,190,348.70 = 394,138.60 : x
  2. Step 2: Convert to fraction form
    793,047.40/1,190,348.70 = 394,138.60/x
  3. Step 3: Cross multiply
    793,047.40x = 1,190,348.70 × 394,138.60
  4. Step 4: Simplify right side
    793,047.40x = 469,162,370,129.82
  5. Step 5: Solve for x
    x = 469,162,370,129.82/793,047.40
  6. Step 6: Final answer
    x = 591,594.36

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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.