Home / 767,390.60-1,058,999.06-427,858.92

Finding the Fourth Proportional to 767,390.60, 1,058,999.06 and 427,858.92

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Solution

The fourth proportional to 767,390.60, 1,058,999.06 and 427,858.92 is: 590,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,390.60 : 1,058,999.06 = 427,858.92 : x
  2. Step 2: Convert to fraction form
    767,390.60/1,058,999.06 = 427,858.92/x
  3. Step 3: Cross multiply
    767,390.60x = 1,058,999.06 × 427,858.92
  4. Step 4: Simplify right side
    767,390.60x = 453,102,194,092.62
  5. Step 5: Solve for x
    x = 453,102,194,092.62/767,390.60
  6. Step 6: Final answer
    x = 590,445.33

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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.