Home / 682,912.80-1,024,369.20-470,336.40

Finding the Fourth Proportional to 682,912.80, 1,024,369.20 and 470,336.40

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Solution

The fourth proportional to 682,912.80, 1,024,369.20 and 470,336.40 is: 705,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,912.80 : 1,024,369.20 = 470,336.40 : x
  2. Step 2: Convert to fraction form
    682,912.80/1,024,369.20 = 470,336.40/x
  3. Step 3: Cross multiply
    682,912.80x = 1,024,369.20 × 470,336.40
  4. Step 4: Simplify right side
    682,912.80x = 481,798,121,798.88
  5. Step 5: Solve for x
    x = 481,798,121,798.88/682,912.80
  6. Step 6: Final answer
    x = 705,504.60

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1.5x scale

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.