Home / 756,123.70-1,134,406.98-223,658.90

Finding the Fourth Proportional to 756,123.70, 1,134,406.98 and 223,658.90

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Solution

The fourth proportional to 756,123.70, 1,134,406.98 and 223,658.90 is: 335,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,123.70 : 1,134,406.98 = 223,658.90 : x
  2. Step 2: Convert to fraction form
    756,123.70/1,134,406.98 = 223,658.90/x
  3. Step 3: Cross multiply
    756,123.70x = 1,134,406.98 × 223,658.90
  4. Step 4: Simplify right side
    756,123.70x = 253,720,217,299.12
  5. Step 5: Solve for x
    x = 253,720,217,299.12/756,123.70
  6. Step 6: Final answer
    x = 335,553.85

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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.