Finding the Fourth Proportional to 585,464.79, 878,396.57 and 315,619.01
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Solution
The fourth proportional to 585,464.79, 878,396.57 and 315,619.01 is: 473,535.99
Step by Step Solution
- Step 1: Write the proportion equation
585,464.79 : 878,396.57 = 315,619.01 : x - Step 2: Convert to fraction form
585,464.79/878,396.57 = 315,619.01/x - Step 3: Cross multiply
585,464.79x = 878,396.57 × 315,619.01 - Step 4: Simplify right side
585,464.79x = 277,238,651,970.73 - Step 5: Solve for x
x = 277,238,651,970.73/585,464.79 - Step 6: Final answer
x = 473,535.99
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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.