Home / 494,012.15-681,527.95-330,721.25

Finding the Fourth Proportional to 494,012.15, 681,527.95 and 330,721.25

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Solution

The fourth proportional to 494,012.15, 681,527.95 and 330,721.25 is: 456,255.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,012.15 : 681,527.95 = 330,721.25 : x
  2. Step 2: Convert to fraction form
    494,012.15/681,527.95 = 330,721.25/x
  3. Step 3: Cross multiply
    494,012.15x = 681,527.95 × 330,721.25
  4. Step 4: Simplify right side
    494,012.15x = 225,395,775,533.94
  5. Step 5: Solve for x
    x = 225,395,775,533.94/494,012.15
  6. Step 6: Final answer
    x = 456,255.53

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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.