Home / 678,536.37-1,017,588.84-223,022.54

Finding the Fourth Proportional to 678,536.37, 1,017,588.84 and 223,022.54

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Solution

The fourth proportional to 678,536.37, 1,017,588.84 and 223,022.54 is: 334,462.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,536.37 : 1,017,588.84 = 223,022.54 : x
  2. Step 2: Convert to fraction form
    678,536.37/1,017,588.84 = 223,022.54/x
  3. Step 3: Cross multiply
    678,536.37x = 1,017,588.84 × 223,022.54
  4. Step 4: Simplify right side
    678,536.37x = 226,945,250,316.43
  5. Step 5: Solve for x
    x = 226,945,250,316.43/678,536.37
  6. Step 6: Final answer
    x = 334,462.91

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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.