Home / 799,408.45-1,103,246.54-455,258.94

Finding the Fourth Proportional to 799,408.45, 1,103,246.54 and 455,258.94

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Solution

The fourth proportional to 799,408.45, 1,103,246.54 and 455,258.94 is: 628,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,408.45 : 1,103,246.54 = 455,258.94 : x
  2. Step 2: Convert to fraction form
    799,408.45/1,103,246.54 = 455,258.94/x
  3. Step 3: Cross multiply
    799,408.45x = 1,103,246.54 × 455,258.94
  4. Step 4: Simplify right side
    799,408.45x = 502,262,848,213.65
  5. Step 5: Solve for x
    x = 502,262,848,213.65/799,408.45
  6. Step 6: Final answer
    x = 628,293.15

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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.