Finding the Fourth Proportional to 744,205.95, 1,026,918.68 and 421,851.87
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Solution
The fourth proportional to 744,205.95, 1,026,918.68 and 421,851.87 is: 582,107.09
Step by Step Solution
- Step 1: Write the proportion equation
744,205.95 : 1,026,918.68 = 421,851.87 : x - Step 2: Convert to fraction form
744,205.95/1,026,918.68 = 421,851.87/x - Step 3: Cross multiply
744,205.95x = 1,026,918.68 × 421,851.87 - Step 4: Simplify right side
744,205.95x = 433,207,563,386.67 - Step 5: Solve for x
x = 433,207,563,386.67/744,205.95 - Step 6: Final answer
x = 582,107.09
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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.