Finding the Fourth Proportional to 878,206.23, 1,211,893.74 and 496,224.81
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Solution
The fourth proportional to 878,206.23, 1,211,893.74 and 496,224.81 is: 684,772.80
Step by Step Solution
- Step 1: Write the proportion equation
878,206.23 : 1,211,893.74 = 496,224.81 : x - Step 2: Convert to fraction form
878,206.23/1,211,893.74 = 496,224.81/x - Step 3: Cross multiply
878,206.23x = 1,211,893.74 × 496,224.81 - Step 4: Simplify right side
878,206.23x = 601,371,740,871.69 - Step 5: Solve for x
x = 601,371,740,871.69/878,206.23 - Step 6: Final answer
x = 684,772.80
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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.