Finding the Fourth Proportional to 503,880.80, 695,372.16 and 274,447.04
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Solution
The fourth proportional to 503,880.80, 695,372.16 and 274,447.04 is: 378,745.99
Step by Step Solution
- Step 1: Write the proportion equation
503,880.80 : 695,372.16 = 274,447.04 : x - Step 2: Convert to fraction form
503,880.80/695,372.16 = 274,447.04/x - Step 3: Cross multiply
503,880.80x = 695,372.16 × 274,447.04 - Step 4: Simplify right side
503,880.80x = 190,842,831,010.41 - Step 5: Solve for x
x = 190,842,831,010.41/503,880.80 - Step 6: Final answer
x = 378,745.99
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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.