Finding the Fourth Proportional to 891,319.23, 1,334,696.84 and 491,516.49
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Solution
The fourth proportional to 891,319.23, 1,334,696.84 and 491,516.49 is: 736,016.33
Step by Step Solution
- Step 1: Write the proportion equation
891,319.23 : 1,334,696.84 = 491,516.49 : x - Step 2: Convert to fraction form
891,319.23/1,334,696.84 = 491,516.49/x - Step 3: Cross multiply
891,319.23x = 1,334,696.84 × 491,516.49 - Step 4: Simplify right side
891,319.23x = 656,025,506,010.89 - Step 5: Solve for x
x = 656,025,506,010.89/891,319.23 - Step 6: Final answer
x = 736,016.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.