Finding the Fourth Proportional to 759,736.92, 1,048,464.36 and 420,207.60
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Solution
The fourth proportional to 759,736.92, 1,048,464.36 and 420,207.60 is: 579,901.65
Step by Step Solution
- Step 1: Write the proportion equation
759,736.92 : 1,048,464.36 = 420,207.60 : x - Step 2: Convert to fraction form
759,736.92/1,048,464.36 = 420,207.60/x - Step 3: Cross multiply
759,736.92x = 1,048,464.36 × 420,207.60 - Step 4: Simplify right side
759,736.92x = 440,572,692,401.14 - Step 5: Solve for x
x = 440,572,692,401.14/759,736.92 - Step 6: Final answer
x = 579,901.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.