Home / 380,623.15-570,894.51-200,636.44

Finding the Fourth Proportional to 380,623.15, 570,894.51 and 200,636.44

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Solution

The fourth proportional to 380,623.15, 570,894.51 and 200,636.44 is: 300,933.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,623.15 : 570,894.51 = 200,636.44 : x
  2. Step 2: Convert to fraction form
    380,623.15/570,894.51 = 200,636.44/x
  3. Step 3: Cross multiply
    380,623.15x = 570,894.51 × 200,636.44
  4. Step 4: Simplify right side
    380,623.15x = 114,542,242,945.51
  5. Step 5: Solve for x
    x = 114,542,242,945.51/380,623.15
  6. Step 6: Final answer
    x = 300,933.46

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1.5x scale

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.