Home / 682,638.80-1,024,470.20-350,043.60

Finding the Fourth Proportional to 682,638.80, 1,024,470.20 and 350,043.60

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Solution

The fourth proportional to 682,638.80, 1,024,470.20 and 350,043.60 is: 525,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,638.80 : 1,024,470.20 = 350,043.60 : x
  2. Step 2: Convert to fraction form
    682,638.80/1,024,470.20 = 350,043.60/x
  3. Step 3: Cross multiply
    682,638.80x = 1,024,470.20 × 350,043.60
  4. Step 4: Simplify right side
    682,638.80x = 358,609,236,900.72
  5. Step 5: Solve for x
    x = 358,609,236,900.72/682,638.80
  6. Step 6: Final answer
    x = 525,327.94

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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.