Home / 488,810.79-674,557.34-284,982.39

Finding the Fourth Proportional to 488,810.79, 674,557.34 and 284,982.39

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Solution

The fourth proportional to 488,810.79, 674,557.34 and 284,982.39 is: 393,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,810.79 : 674,557.34 = 284,982.39 : x
  2. Step 2: Convert to fraction form
    488,810.79/674,557.34 = 284,982.39/x
  3. Step 3: Cross multiply
    488,810.79x = 674,557.34 × 284,982.39
  4. Step 4: Simplify right side
    488,810.79x = 192,236,961,520.33
  5. Step 5: Solve for x
    x = 192,236,961,520.33/488,810.79
  6. Step 6: Final answer
    x = 393,274.79

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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.