Finding the Fourth Proportional to 790,114.91, 1,184,224.86 and 405,468.18
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Solution
The fourth proportional to 790,114.91, 1,184,224.86 and 405,468.18 is: 607,716.04
Step by Step Solution
- Step 1: Write the proportion equation
790,114.91 : 1,184,224.86 = 405,468.18 : x - Step 2: Convert to fraction form
790,114.91/1,184,224.86 = 405,468.18/x - Step 3: Cross multiply
790,114.91x = 1,184,224.86 × 405,468.18 - Step 4: Simplify right side
790,114.91x = 480,165,498,694.96 - Step 5: Solve for x
x = 480,165,498,694.96/790,114.91 - Step 6: Final answer
x = 607,716.04
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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.