Finding the Fourth Proportional to 667,596.44, 921,319.98 and 381,208.52
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Solution
The fourth proportional to 667,596.44, 921,319.98 and 381,208.52 is: 526,088.82
Step by Step Solution
- Step 1: Write the proportion equation
667,596.44 : 921,319.98 = 381,208.52 : x - Step 2: Convert to fraction form
667,596.44/921,319.98 = 381,208.52/x - Step 3: Cross multiply
667,596.44x = 921,319.98 × 381,208.52 - Step 4: Simplify right side
667,596.44x = 351,215,026,022.23 - Step 5: Solve for x
x = 351,215,026,022.23/667,596.44 - Step 6: Final answer
x = 526,088.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.