Home / 734,790.89-1,013,942.10-412,438.03

Finding the Fourth Proportional to 734,790.89, 1,013,942.10 and 412,438.03

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Solution

The fourth proportional to 734,790.89, 1,013,942.10 and 412,438.03 is: 569,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,790.89 : 1,013,942.10 = 412,438.03 : x
  2. Step 2: Convert to fraction form
    734,790.89/1,013,942.10 = 412,438.03/x
  3. Step 3: Cross multiply
    734,790.89x = 1,013,942.10 × 412,438.03
  4. Step 4: Simplify right side
    734,790.89x = 418,188,281,269.85
  5. Step 5: Solve for x
    x = 418,188,281,269.85/734,790.89
  6. Step 6: Final answer
    x = 569,125.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.