Home / 905,679.07-1,358,435.31-306,571.75

Finding the Fourth Proportional to 905,679.07, 1,358,435.31 and 306,571.75

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Solution

The fourth proportional to 905,679.07, 1,358,435.31 and 306,571.75 is: 459,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,679.07 : 1,358,435.31 = 306,571.75 : x
  2. Step 2: Convert to fraction form
    905,679.07/1,358,435.31 = 306,571.75/x
  3. Step 3: Cross multiply
    905,679.07x = 1,358,435.31 × 306,571.75
  4. Step 4: Simplify right side
    905,679.07x = 416,457,890,248.49
  5. Step 5: Solve for x
    x = 416,457,890,248.49/905,679.07
  6. Step 6: Final answer
    x = 459,829.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.