Home / 455,962.40-629,208.56-252,002.80

Finding the Fourth Proportional to 455,962.40, 629,208.56 and 252,002.80

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Solution

The fourth proportional to 455,962.40, 629,208.56 and 252,002.80 is: 347,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,962.40 : 629,208.56 = 252,002.80 : x
  2. Step 2: Convert to fraction form
    455,962.40/629,208.56 = 252,002.80/x
  3. Step 3: Cross multiply
    455,962.40x = 629,208.56 × 252,002.80
  4. Step 4: Simplify right side
    455,962.40x = 158,562,318,903.97
  5. Step 5: Solve for x
    x = 158,562,318,903.97/455,962.40
  6. Step 6: Final answer
    x = 347,753.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.