Home / 767,390.44-1,058,999.46-427,851.88

Finding the Fourth Proportional to 767,390.44, 1,058,999.46 and 427,851.88

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Solution

The fourth proportional to 767,390.44, 1,058,999.46 and 427,851.88 is: 590,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,390.44 : 1,058,999.46 = 427,851.88 : x
  2. Step 2: Convert to fraction form
    767,390.44/1,058,999.46 = 427,851.88/x
  3. Step 3: Cross multiply
    767,390.44x = 1,058,999.46 × 427,851.88
  4. Step 4: Simplify right side
    767,390.44x = 453,094,909,879.99
  5. Step 5: Solve for x
    x = 453,094,909,879.99/767,390.44
  6. Step 6: Final answer
    x = 590,435.96

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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.