Finding the Fourth Proportional to 798,128.62, 1,197,613.31 and 461,405.74
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Solution
The fourth proportional to 798,128.62, 1,197,613.31 and 461,405.74 is: 692,351.64
Step by Step Solution
- Step 1: Write the proportion equation
798,128.62 : 1,197,613.31 = 461,405.74 : x - Step 2: Convert to fraction form
798,128.62/1,197,613.31 = 461,405.74/x - Step 3: Cross multiply
798,128.62x = 1,197,613.31 × 461,405.74 - Step 4: Simplify right side
798,128.62x = 552,585,655,534.40 - Step 5: Solve for x
x = 552,585,655,534.40/798,128.62 - Step 6: Final answer
x = 692,351.64
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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.