Home / 809,321.40-1,214,144.10-240,701.40

Finding the Fourth Proportional to 809,321.40, 1,214,144.10 and 240,701.40

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Solution

The fourth proportional to 809,321.40, 1,214,144.10 and 240,701.40 is: 361,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,321.40 : 1,214,144.10 = 240,701.40 : x
  2. Step 2: Convert to fraction form
    809,321.40/1,214,144.10 = 240,701.40/x
  3. Step 3: Cross multiply
    809,321.40x = 1,214,144.10 × 240,701.40
  4. Step 4: Simplify right side
    809,321.40x = 292,246,184,671.74
  5. Step 5: Solve for x
    x = 292,246,184,671.74/809,321.40
  6. Step 6: Final answer
    x = 361,100.28

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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.