Finding the Fourth Proportional to 855,582.19, 1,284,634.91 and 477,242.12
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Solution
The fourth proportional to 855,582.19, 1,284,634.91 and 477,242.12 is: 716,566.92
Step by Step Solution
- Step 1: Write the proportion equation
855,582.19 : 1,284,634.91 = 477,242.12 : x - Step 2: Convert to fraction form
855,582.19/1,284,634.91 = 477,242.12/x - Step 3: Cross multiply
855,582.19x = 1,284,634.91 × 477,242.12 - Step 4: Simplify right side
855,582.19x = 613,081,889,594.62 - Step 5: Solve for x
x = 613,081,889,594.62/855,582.19 - Step 6: Final answer
x = 716,566.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.