Finding the Fourth Proportional to 660,163.44, 911,040.03 and 402,052.53
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Solution
The fourth proportional to 660,163.44, 911,040.03 and 402,052.53 is: 554,841.31
Step by Step Solution
- Step 1: Write the proportion equation
660,163.44 : 911,040.03 = 402,052.53 : x - Step 2: Convert to fraction form
660,163.44/911,040.03 = 402,052.53/x - Step 3: Cross multiply
660,163.44x = 911,040.03 × 402,052.53 - Step 4: Simplify right side
660,163.44x = 366,285,948,992.78 - Step 5: Solve for x
x = 366,285,948,992.78/660,163.44 - Step 6: Final answer
x = 554,841.31
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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.