Finding the Fourth Proportional to 748,581.84, 1,033,068.42 and 409,071.96
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Solution
The fourth proportional to 748,581.84, 1,033,068.42 and 409,071.96 is: 564,533.23
Step by Step Solution
- Step 1: Write the proportion equation
748,581.84 : 1,033,068.42 = 409,071.96 : x - Step 2: Convert to fraction form
748,581.84/1,033,068.42 = 409,071.96/x - Step 3: Cross multiply
748,581.84x = 1,033,068.42 × 409,071.96 - Step 4: Simplify right side
748,581.84x = 422,599,323,383.50 - Step 5: Solve for x
x = 422,599,323,383.50/748,581.84 - Step 6: Final answer
x = 564,533.23
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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.