Home / 477,315.20-658,682.34-259,517

Finding the Fourth Proportional to 477,315.20, 658,682.34 and 259,517

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Solution

The fourth proportional to 477,315.20, 658,682.34 and 259,517 is: 358,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,315.20 : 658,682.34 = 259,517 : x
  2. Step 2: Convert to fraction form
    477,315.20/658,682.34 = 259,517/x
  3. Step 3: Cross multiply
    477,315.20x = 658,682.34 × 259,517
  4. Step 4: Simplify right side
    477,315.20x = 170,939,264,829.78
  5. Step 5: Solve for x
    x = 170,939,264,829.78/477,315.20
  6. Step 6: Final answer
    x = 358,126.59

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1.5x scale

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.