Finding the Fourth Proportional to 838,261.59, 1,257,392.79 and 277,296.09
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Solution
The fourth proportional to 838,261.59, 1,257,392.79 and 277,296.09 is: 415,944.27
Step by Step Solution
- Step 1: Write the proportion equation
838,261.59 : 1,257,392.79 = 277,296.09 : x - Step 2: Convert to fraction form
838,261.59/1,257,392.79 = 277,296.09/x - Step 3: Cross multiply
838,261.59x = 1,257,392.79 × 277,296.09 - Step 4: Simplify right side
838,261.59x = 348,670,104,261.19 - Step 5: Solve for x
x = 348,670,104,261.19/838,261.59 - Step 6: Final answer
x = 415,944.27
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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.