Home / 494,128.54-681,634.45-300,595.45

Finding the Fourth Proportional to 494,128.54, 681,634.45 and 300,595.45

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Solution

The fourth proportional to 494,128.54, 681,634.45 and 300,595.45 is: 414,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,128.54 : 681,634.45 = 300,595.45 : x
  2. Step 2: Convert to fraction form
    494,128.54/681,634.45 = 300,595.45/x
  3. Step 3: Cross multiply
    494,128.54x = 681,634.45 × 300,595.45
  4. Step 4: Simplify right side
    494,128.54x = 204,896,214,233.25
  5. Step 5: Solve for x
    x = 204,896,214,233.25/494,128.54
  6. Step 6: Final answer
    x = 414,661.77

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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.