Home / 751,504.61-1,037,072.56-407,339.15

Finding the Fourth Proportional to 751,504.61, 1,037,072.56 and 407,339.15

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Solution

The fourth proportional to 751,504.61, 1,037,072.56 and 407,339.15 is: 562,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,504.61 : 1,037,072.56 = 407,339.15 : x
  2. Step 2: Convert to fraction form
    751,504.61/1,037,072.56 = 407,339.15/x
  3. Step 3: Cross multiply
    751,504.61x = 1,037,072.56 × 407,339.15
  4. Step 4: Simplify right side
    751,504.61x = 422,440,255,078.72
  5. Step 5: Solve for x
    x = 422,440,255,078.72/751,504.61
  6. Step 6: Final answer
    x = 562,125.97

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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.