Home / 682,709.20-1,024,063.80-472,757.20

Finding the Fourth Proportional to 682,709.20, 1,024,063.80 and 472,757.20

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Solution

The fourth proportional to 682,709.20, 1,024,063.80 and 472,757.20 is: 709,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,709.20 : 1,024,063.80 = 472,757.20 : x
  2. Step 2: Convert to fraction form
    682,709.20/1,024,063.80 = 472,757.20/x
  3. Step 3: Cross multiply
    682,709.20x = 1,024,063.80 × 472,757.20
  4. Step 4: Simplify right side
    682,709.20x = 484,133,534,709.36
  5. Step 5: Solve for x
    x = 484,133,534,709.36/682,709.20
  6. Step 6: Final answer
    x = 709,135.80

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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.