Home / 758,461.44-1,137,861.84-285,150.90

Finding the Fourth Proportional to 758,461.44, 1,137,861.84 and 285,150.90

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Solution

The fourth proportional to 758,461.44, 1,137,861.84 and 285,150.90 is: 427,790.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,461.44 : 1,137,861.84 = 285,150.90 : x
  2. Step 2: Convert to fraction form
    758,461.44/1,137,861.84 = 285,150.90/x
  3. Step 3: Cross multiply
    758,461.44x = 1,137,861.84 × 285,150.90
  4. Step 4: Simplify right side
    758,461.44x = 324,462,327,751.66
  5. Step 5: Solve for x
    x = 324,462,327,751.66/758,461.44
  6. Step 6: Final answer
    x = 427,790.14

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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.