Home / 758,460.93-1,137,861.09-285,150.39

Finding the Fourth Proportional to 758,460.93, 1,137,861.09 and 285,150.39

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Solution

The fourth proportional to 758,460.93, 1,137,861.09 and 285,150.39 is: 427,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,460.93 : 1,137,861.09 = 285,150.39 : x
  2. Step 2: Convert to fraction form
    758,460.93/1,137,861.09 = 285,150.39/x
  3. Step 3: Cross multiply
    758,460.93x = 1,137,861.09 × 285,150.39
  4. Step 4: Simplify right side
    758,460.93x = 324,461,533,579.33
  5. Step 5: Solve for x
    x = 324,461,533,579.33/758,460.93
  6. Step 6: Final answer
    x = 427,789.38

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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.