Finding the Fourth Proportional to 660,549.98, 911,615.19 and 374,121.02
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Solution
The fourth proportional to 660,549.98, 911,615.19 and 374,121.02 is: 516,318.85
Step by Step Solution
- Step 1: Write the proportion equation
660,549.98 : 911,615.19 = 374,121.02 : x - Step 2: Convert to fraction form
660,549.98/911,615.19 = 374,121.02/x - Step 3: Cross multiply
660,549.98x = 911,615.19 × 374,121.02 - Step 4: Simplify right side
660,549.98x = 341,054,404,730.29 - Step 5: Solve for x
x = 341,054,404,730.29/660,549.98 - Step 6: Final answer
x = 516,318.85
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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.