Home / 691,692.10-1,037,450.67-218,425.30

Finding the Fourth Proportional to 691,692.10, 1,037,450.67 and 218,425.30

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Solution

The fourth proportional to 691,692.10, 1,037,450.67 and 218,425.30 is: 327,610.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,692.10 : 1,037,450.67 = 218,425.30 : x
  2. Step 2: Convert to fraction form
    691,692.10/1,037,450.67 = 218,425.30/x
  3. Step 3: Cross multiply
    691,692.10x = 1,037,450.67 × 218,425.30
  4. Step 4: Simplify right side
    691,692.10x = 226,605,473,829.95
  5. Step 5: Solve for x
    x = 226,605,473,829.95/691,692.10
  6. Step 6: Final answer
    x = 327,610.33

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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.