Finding the Fourth Proportional to 840,887.12, 1,261,531.62 and 272,268.83
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Solution
The fourth proportional to 840,887.12, 1,261,531.62 and 272,268.83 is: 408,468.31
Step by Step Solution
- Step 1: Write the proportion equation
840,887.12 : 1,261,531.62 = 272,268.83 : x - Step 2: Convert to fraction form
840,887.12/1,261,531.62 = 272,268.83/x - Step 3: Cross multiply
840,887.12x = 1,261,531.62 × 272,268.83 - Step 4: Simplify right side
840,887.12x = 343,475,736,824.06 - Step 5: Solve for x
x = 343,475,736,824.06/840,887.12 - Step 6: Final answer
x = 408,468.31
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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.