Home / 477,283.20-658,638.18-259,485

Finding the Fourth Proportional to 477,283.20, 658,638.18 and 259,485

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Solution

The fourth proportional to 477,283.20, 658,638.18 and 259,485 is: 358,082.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,283.20 : 658,638.18 = 259,485 : x
  2. Step 2: Convert to fraction form
    477,283.20/658,638.18 = 259,485/x
  3. Step 3: Cross multiply
    477,283.20x = 658,638.18 × 259,485
  4. Step 4: Simplify right side
    477,283.20x = 170,906,728,137.30
  5. Step 5: Solve for x
    x = 170,906,728,137.30/477,283.20
  6. Step 6: Final answer
    x = 358,082.43

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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.