Finding the Fourth Proportional to 875,799.40, 1,313,699.10 and 734,081.80
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Solution
The fourth proportional to 875,799.40, 1,313,699.10 and 734,081.80 is: 1,101,122.70
Step by Step Solution
- Step 1: Write the proportion equation
875,799.40 : 1,313,699.10 = 734,081.80 : x - Step 2: Convert to fraction form
875,799.40/1,313,699.10 = 734,081.80/x - Step 3: Cross multiply
875,799.40x = 1,313,699.10 × 734,081.80 - Step 4: Simplify right side
875,799.40x = 964,362,599,986.38 - Step 5: Solve for x
x = 964,362,599,986.38/875,799.40 - Step 6: Final answer
x = 1,101,122.70
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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.