Home / 682,705.20-1,024,057.80-470,128.80

Finding the Fourth Proportional to 682,705.20, 1,024,057.80 and 470,128.80

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Solution

The fourth proportional to 682,705.20, 1,024,057.80 and 470,128.80 is: 705,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,705.20 : 1,024,057.80 = 470,128.80 : x
  2. Step 2: Convert to fraction form
    682,705.20/1,024,057.80 = 470,128.80/x
  3. Step 3: Cross multiply
    682,705.20x = 1,024,057.80 × 470,128.80
  4. Step 4: Simplify right side
    682,705.20x = 481,439,064,644.64
  5. Step 5: Solve for x
    x = 481,439,064,644.64/682,705.20
  6. Step 6: Final answer
    x = 705,193.20

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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.