Home / 427,553.22-589,766.37-282,360.35

Finding the Fourth Proportional to 427,553.22, 589,766.37 and 282,360.35

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Solution

The fourth proportional to 427,553.22, 589,766.37 and 282,360.35 is: 389,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,553.22 : 589,766.37 = 282,360.35 : x
  2. Step 2: Convert to fraction form
    427,553.22/589,766.37 = 282,360.35/x
  3. Step 3: Cross multiply
    427,553.22x = 589,766.37 × 282,360.35
  4. Step 4: Simplify right side
    427,553.22x = 166,526,635,702.60
  5. Step 5: Solve for x
    x = 166,526,635,702.60/427,553.22
  6. Step 6: Final answer
    x = 389,487.50

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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.