Home / 384,760.44-531,117.60-344,403

Finding the Fourth Proportional to 384,760.44, 531,117.60 and 344,403

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Solution

The fourth proportional to 384,760.44, 531,117.60 and 344,403 is: 475,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,760.44 : 531,117.60 = 344,403 : x
  2. Step 2: Convert to fraction form
    384,760.44/531,117.60 = 344,403/x
  3. Step 3: Cross multiply
    384,760.44x = 531,117.60 × 344,403
  4. Step 4: Simplify right side
    384,760.44x = 182,918,494,792.80
  5. Step 5: Solve for x
    x = 182,918,494,792.80/384,760.44
  6. Step 6: Final answer
    x = 475,408.79

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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.