Home / 695,436.40-1,043,203.20-274,657.60

Finding the Fourth Proportional to 695,436.40, 1,043,203.20 and 274,657.60

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Solution

The fourth proportional to 695,436.40, 1,043,203.20 and 274,657.60 is: 412,005.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,436.40 : 1,043,203.20 = 274,657.60 : x
  2. Step 2: Convert to fraction form
    695,436.40/1,043,203.20 = 274,657.60/x
  3. Step 3: Cross multiply
    695,436.40x = 1,043,203.20 × 274,657.60
  4. Step 4: Simplify right side
    695,436.40x = 286,523,687,224.32
  5. Step 5: Solve for x
    x = 286,523,687,224.32/695,436.40
  6. Step 6: Final answer
    x = 412,005.59

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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.