Home / 698,879.12-1,048,312.92-200,243.60

Finding the Fourth Proportional to 698,879.12, 1,048,312.92 and 200,243.60

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Solution

The fourth proportional to 698,879.12, 1,048,312.92 and 200,243.60 is: 300,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,879.12 : 1,048,312.92 = 200,243.60 : x
  2. Step 2: Convert to fraction form
    698,879.12/1,048,312.92 = 200,243.60/x
  3. Step 3: Cross multiply
    698,879.12x = 1,048,312.92 × 200,243.60
  4. Step 4: Simplify right side
    698,879.12x = 209,917,953,027.31
  5. Step 5: Solve for x
    x = 209,917,953,027.31/698,879.12
  6. Step 6: Final answer
    x = 300,363.75

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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.