Finding the Fourth Proportional to 629,090.96, 939,075.36 and 582,261.80
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Solution
The fourth proportional to 629,090.96, 939,075.36 and 582,261.80 is: 869,171.14
Step by Step Solution
- Step 1: Write the proportion equation
629,090.96 : 939,075.36 = 582,261.80 : x - Step 2: Convert to fraction form
629,090.96/939,075.36 = 582,261.80/x - Step 3: Cross multiply
629,090.96x = 939,075.36 × 582,261.80 - Step 4: Simplify right side
629,090.96x = 546,787,709,449.25 - Step 5: Solve for x
x = 546,787,709,449.25/629,090.96 - Step 6: Final answer
x = 869,171.14
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.