Finding the Fourth Proportional to 903,844.68, 1,247,344.74 and 541,327.56
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Solution
The fourth proportional to 903,844.68, 1,247,344.74 and 541,327.56 is: 747,055.44
Step by Step Solution
- Step 1: Write the proportion equation
903,844.68 : 1,247,344.74 = 541,327.56 : x - Step 2: Convert to fraction form
903,844.68/1,247,344.74 = 541,327.56/x - Step 3: Cross multiply
903,844.68x = 1,247,344.74 × 541,327.56 - Step 4: Simplify right side
903,844.68x = 675,222,084,583.03 - Step 5: Solve for x
x = 675,222,084,583.03/903,844.68 - Step 6: Final answer
x = 747,055.44
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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.