Finding the Fourth Proportional to 591,818.98, 816,713.79 and 319,886.18
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Solution
The fourth proportional to 591,818.98, 816,713.79 and 319,886.18 is: 441,444.88
Step by Step Solution
- Step 1: Write the proportion equation
591,818.98 : 816,713.79 = 319,886.18 : x - Step 2: Convert to fraction form
591,818.98/816,713.79 = 319,886.18/x - Step 3: Cross multiply
591,818.98x = 816,713.79 × 319,886.18 - Step 4: Simplify right side
591,818.98x = 261,255,454,436.42 - Step 5: Solve for x
x = 261,255,454,436.42/591,818.98 - Step 6: Final answer
x = 441,444.88
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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.