Finding the Fourth Proportional to 639,546.98, 882,569.14 and 353,060.92
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Solution
The fourth proportional to 639,546.98, 882,569.14 and 353,060.92 is: 487,220.92
Step by Step Solution
- Step 1: Write the proportion equation
639,546.98 : 882,569.14 = 353,060.92 : x - Step 2: Convert to fraction form
639,546.98/882,569.14 = 353,060.92/x - Step 3: Cross multiply
639,546.98x = 882,569.14 × 353,060.92 - Step 4: Simplify right side
639,546.98x = 311,600,669,442.93 - Step 5: Solve for x
x = 311,600,669,442.93/639,546.98 - Step 6: Final answer
x = 487,220.92
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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.