Home / 905,982.41-1,250,223.89-498,081.30

Finding the Fourth Proportional to 905,982.41, 1,250,223.89 and 498,081.30

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Solution

The fourth proportional to 905,982.41, 1,250,223.89 and 498,081.30 is: 687,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,982.41 : 1,250,223.89 = 498,081.30 : x
  2. Step 2: Convert to fraction form
    905,982.41/1,250,223.89 = 498,081.30/x
  3. Step 3: Cross multiply
    905,982.41x = 1,250,223.89 × 498,081.30
  4. Step 4: Simplify right side
    905,982.41x = 622,713,137,931.85
  5. Step 5: Solve for x
    x = 622,713,137,931.85/905,982.41
  6. Step 6: Final answer
    x = 687,334.69

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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.