Finding the Fourth Proportional to 913,480.44, 1,260,593.64 and 505,583.07
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Solution
The fourth proportional to 913,480.44, 1,260,593.64 and 505,583.07 is: 697,699.45
Step by Step Solution
- Step 1: Write the proportion equation
913,480.44 : 1,260,593.64 = 505,583.07 : x - Step 2: Convert to fraction form
913,480.44/1,260,593.64 = 505,583.07/x - Step 3: Cross multiply
913,480.44x = 1,260,593.64 × 505,583.07 - Step 4: Simplify right side
913,480.44x = 637,334,802,533.68 - Step 5: Solve for x
x = 637,334,802,533.68/913,480.44 - Step 6: Final answer
x = 697,699.45
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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.