Home / 682,708.20-1,024,062.30-470,131.80

Finding the Fourth Proportional to 682,708.20, 1,024,062.30 and 470,131.80

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Solution

The fourth proportional to 682,708.20, 1,024,062.30 and 470,131.80 is: 705,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,708.20 : 1,024,062.30 = 470,131.80 : x
  2. Step 2: Convert to fraction form
    682,708.20/1,024,062.30 = 470,131.80/x
  3. Step 3: Cross multiply
    682,708.20x = 1,024,062.30 × 470,131.80
  4. Step 4: Simplify right side
    682,708.20x = 481,444,252,411.14
  5. Step 5: Solve for x
    x = 481,444,252,411.14/682,708.20
  6. Step 6: Final answer
    x = 705,197.70

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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.