Finding the Fourth Proportional to 633,542.11, 874,069.01 and 480,420.79
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Solution
The fourth proportional to 633,542.11, 874,069.01 and 480,420.79 is: 662,814.54
Step by Step Solution
- Step 1: Write the proportion equation
633,542.11 : 874,069.01 = 480,420.79 : x - Step 2: Convert to fraction form
633,542.11/874,069.01 = 480,420.79/x - Step 3: Cross multiply
633,542.11x = 874,069.01 × 480,420.79 - Step 4: Simplify right side
633,542.11x = 419,920,921,513.02 - Step 5: Solve for x
x = 419,920,921,513.02/633,542.11 - Step 6: Final answer
x = 662,814.54
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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.