Finding the Fourth Proportional to 745,265.88, 1,122,920.37 and 615,062.52
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Solution
The fourth proportional to 745,265.88, 1,122,920.37 and 615,062.52 is: 926,738.03
Step by Step Solution
- Step 1: Write the proportion equation
745,265.88 : 1,122,920.37 = 615,062.52 : x - Step 2: Convert to fraction form
745,265.88/1,122,920.37 = 615,062.52/x - Step 3: Cross multiply
745,265.88x = 1,122,920.37 × 615,062.52 - Step 4: Simplify right side
745,265.88x = 690,666,232,531.53 - Step 5: Solve for x
x = 690,666,232,531.53/745,265.88 - Step 6: Final answer
x = 926,738.03
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.