Home / 738,163.20-1,104,620.40-512,464.80

Finding the Fourth Proportional to 738,163.20, 1,104,620.40 and 512,464.80

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Solution

The fourth proportional to 738,163.20, 1,104,620.40 and 512,464.80 is: 766,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,163.20 : 1,104,620.40 = 512,464.80 : x
  2. Step 2: Convert to fraction form
    738,163.20/1,104,620.40 = 512,464.80/x
  3. Step 3: Cross multiply
    738,163.20x = 1,104,620.40 × 512,464.80
  4. Step 4: Simplify right side
    738,163.20x = 566,079,072,361.92
  5. Step 5: Solve for x
    x = 566,079,072,361.92/738,163.20
  6. Step 6: Final answer
    x = 766,875.23

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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.