Home / 455,611.20-682,833.60-403,123.20

Finding the Fourth Proportional to 455,611.20, 682,833.60 and 403,123.20

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Solution

The fourth proportional to 455,611.20, 682,833.60 and 403,123.20 is: 604,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,611.20 : 682,833.60 = 403,123.20 : x
  2. Step 2: Convert to fraction form
    455,611.20/682,833.60 = 403,123.20/x
  3. Step 3: Cross multiply
    455,611.20x = 682,833.60 × 403,123.20
  4. Step 4: Simplify right side
    455,611.20x = 275,266,065,899.52
  5. Step 5: Solve for x
    x = 275,266,065,899.52/455,611.20
  6. Step 6: Final answer
    x = 604,168.79

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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.