Finding the Fourth Proportional to 862,098.27, 1,293,067.62 and 406,585.05
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Solution
The fourth proportional to 862,098.27, 1,293,067.62 and 406,585.05 is: 609,839.95
Step by Step Solution
- Step 1: Write the proportion equation
862,098.27 : 1,293,067.62 = 406,585.05 : x - Step 2: Convert to fraction form
862,098.27/1,293,067.62 = 406,585.05/x - Step 3: Cross multiply
862,098.27x = 1,293,067.62 × 406,585.05 - Step 4: Simplify right side
862,098.27x = 525,741,962,931.08 - Step 5: Solve for x
x = 525,741,962,931.08/862,098.27 - Step 6: Final answer
x = 609,839.95
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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.