Finding the Fourth Proportional to 878,207.36, 1,211,895.12 and 496,225.94
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Solution
The fourth proportional to 878,207.36, 1,211,895.12 and 496,225.94 is: 684,774.26
Step by Step Solution
- Step 1: Write the proportion equation
878,207.36 : 1,211,895.12 = 496,225.94 : x - Step 2: Convert to fraction form
878,207.36/1,211,895.12 = 496,225.94/x - Step 3: Cross multiply
878,207.36x = 1,211,895.12 × 496,225.94 - Step 4: Simplify right side
878,207.36x = 601,373,795,103.41 - Step 5: Solve for x
x = 601,373,795,103.41/878,207.36 - Step 6: Final answer
x = 684,774.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.