Home / 997,675.98-1,496,735.09-287,648.61

Finding the Fourth Proportional to 997,675.98, 1,496,735.09 and 287,648.61

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Solution

The fourth proportional to 997,675.98, 1,496,735.09 and 287,648.61 is: 431,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,675.98 : 1,496,735.09 = 287,648.61 : x
  2. Step 2: Convert to fraction form
    997,675.98/1,496,735.09 = 287,648.61/x
  3. Step 3: Cross multiply
    997,675.98x = 1,496,735.09 × 287,648.61
  4. Step 4: Simplify right side
    997,675.98x = 430,533,768,176.73
  5. Step 5: Solve for x
    x = 430,533,768,176.73/997,675.98
  6. Step 6: Final answer
    x = 431,536.67

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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.