Home / 698,662.08-1,047,245.64-361,363.10

Finding the Fourth Proportional to 698,662.08, 1,047,245.64 and 361,363.10

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Solution

The fourth proportional to 698,662.08, 1,047,245.64 and 361,363.10 is: 541,658.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,662.08 : 1,047,245.64 = 361,363.10 : x
  2. Step 2: Convert to fraction form
    698,662.08/1,047,245.64 = 361,363.10/x
  3. Step 3: Cross multiply
    698,662.08x = 1,047,245.64 × 361,363.10
  4. Step 4: Simplify right side
    698,662.08x = 378,435,930,931.88
  5. Step 5: Solve for x
    x = 378,435,930,931.88/698,662.08
  6. Step 6: Final answer
    x = 541,658.04

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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.