Home / 488,982.42-674,798.04-285,174.72

Finding the Fourth Proportional to 488,982.42, 674,798.04 and 285,174.72

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Solution

The fourth proportional to 488,982.42, 674,798.04 and 285,174.72 is: 393,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,982.42 : 674,798.04 = 285,174.72 : x
  2. Step 2: Convert to fraction form
    488,982.42/674,798.04 = 285,174.72/x
  3. Step 3: Cross multiply
    488,982.42x = 674,798.04 × 285,174.72
  4. Step 4: Simplify right side
    488,982.42x = 192,435,342,113.55
  5. Step 5: Solve for x
    x = 192,435,342,113.55/488,982.42
  6. Step 6: Final answer
    x = 393,542.46

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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.