Finding the Fourth Proportional to 838,270.09, 1,257,405.54 and 277,304.59
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Solution
The fourth proportional to 838,270.09, 1,257,405.54 and 277,304.59 is: 415,957.02
Step by Step Solution
- Step 1: Write the proportion equation
838,270.09 : 1,257,405.54 = 277,304.59 : x - Step 2: Convert to fraction form
838,270.09/1,257,405.54 = 277,304.59/x - Step 3: Cross multiply
838,270.09x = 1,257,405.54 × 277,304.59 - Step 4: Simplify right side
838,270.09x = 348,684,327,733.43 - Step 5: Solve for x
x = 348,684,327,733.43/838,270.09 - Step 6: Final answer
x = 415,957.02
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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.