Home / 1,041.80-1,563.50-629.68

Finding the Fourth Proportional to 1,041.80, 1,563.50 and 629.68

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Solution

The fourth proportional to 1,041.80, 1,563.50 and 629.68 is: 945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.80 : 1,563.50 = 629.68 : x
  2. Step 2: Convert to fraction form
    1,041.80/1,563.50 = 629.68/x
  3. Step 3: Cross multiply
    1,041.80x = 1,563.50 × 629.68
  4. Step 4: Simplify right side
    1,041.80x = 984,504.68
  5. Step 5: Solve for x
    x = 984,504.68/1,041.80
  6. Step 6: Final answer
    x = 945.00

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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.