Finding the Fourth Proportional to 639,269.44, 882,523.47 and 466,993.96
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Solution
The fourth proportional to 639,269.44, 882,523.47 and 466,993.96 is: 644,693.93
Step by Step Solution
- Step 1: Write the proportion equation
639,269.44 : 882,523.47 = 466,993.96 : x - Step 2: Convert to fraction form
639,269.44/882,523.47 = 466,993.96/x - Step 3: Cross multiply
639,269.44x = 882,523.47 × 466,993.96 - Step 4: Simplify right side
639,269.44x = 412,133,130,048.24 - Step 5: Solve for x
x = 412,133,130,048.24/639,269.44 - Step 6: Final answer
x = 644,693.93
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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.