Finding the Fourth Proportional to 639,526.18, 882,548.94 and 353,048.62
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Solution
The fourth proportional to 639,526.18, 882,548.94 and 353,048.62 is: 487,208.65
Step by Step Solution
- Step 1: Write the proportion equation
639,526.18 : 882,548.94 = 353,048.62 : x - Step 2: Convert to fraction form
639,526.18/882,548.94 = 353,048.62/x - Step 3: Cross multiply
639,526.18x = 882,548.94 × 353,048.62 - Step 4: Simplify right side
639,526.18x = 311,582,684,467.02 - Step 5: Solve for x
x = 311,582,684,467.02/639,526.18 - Step 6: Final answer
x = 487,208.65
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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.