Home / 455,302.80-682,954.20-306,003.60

Finding the Fourth Proportional to 455,302.80, 682,954.20 and 306,003.60

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Solution

The fourth proportional to 455,302.80, 682,954.20 and 306,003.60 is: 459,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,302.80 : 682,954.20 = 306,003.60 : x
  2. Step 2: Convert to fraction form
    455,302.80/682,954.20 = 306,003.60/x
  3. Step 3: Cross multiply
    455,302.80x = 682,954.20 × 306,003.60
  4. Step 4: Simplify right side
    455,302.80x = 208,986,443,835.12
  5. Step 5: Solve for x
    x = 208,986,443,835.12/455,302.80
  6. Step 6: Final answer
    x = 459,005.40

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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.