Finding the Fourth Proportional to 744,766.49, 1,027,853.46 and 438,941.40
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Solution
The fourth proportional to 744,766.49, 1,027,853.46 and 438,941.40 is: 605,783.75
Step by Step Solution
- Step 1: Write the proportion equation
744,766.49 : 1,027,853.46 = 438,941.40 : x - Step 2: Convert to fraction form
744,766.49/1,027,853.46 = 438,941.40/x - Step 3: Cross multiply
744,766.49x = 1,027,853.46 × 438,941.40 - Step 4: Simplify right side
744,766.49x = 451,167,436,727.24 - Step 5: Solve for x
x = 451,167,436,727.24/744,766.49 - Step 6: Final answer
x = 605,783.75
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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.