Finding the Fourth Proportional to 798,129.40, 1,197,614.47 and 461,406.58
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Solution
The fourth proportional to 798,129.40, 1,197,614.47 and 461,406.58 is: 692,352.89
Step by Step Solution
- Step 1: Write the proportion equation
798,129.40 : 1,197,614.47 = 461,406.58 : x - Step 2: Convert to fraction form
798,129.40/1,197,614.47 = 461,406.58/x - Step 3: Cross multiply
798,129.40x = 1,197,614.47 × 461,406.58 - Step 4: Simplify right side
798,129.40x = 552,587,192,613.66 - Step 5: Solve for x
x = 552,587,192,613.66/798,129.40 - Step 6: Final answer
x = 692,352.89
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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.