Home / 698,408.10-1,046,735.34-298,579.02

Finding the Fourth Proportional to 698,408.10, 1,046,735.34 and 298,579.02

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Solution

The fourth proportional to 698,408.10, 1,046,735.34 and 298,579.02 is: 447,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,408.10 : 1,046,735.34 = 298,579.02 : x
  2. Step 2: Convert to fraction form
    698,408.10/1,046,735.34 = 298,579.02/x
  3. Step 3: Cross multiply
    698,408.10x = 1,046,735.34 × 298,579.02
  4. Step 4: Simplify right side
    698,408.10x = 312,533,212,016.57
  5. Step 5: Solve for x
    x = 312,533,212,016.57/698,408.10
  6. Step 6: Final answer
    x = 447,493.68

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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.