Finding the Fourth Proportional to 676,828.16, 1,015,252.48 and 256,302.08
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Solution
The fourth proportional to 676,828.16, 1,015,252.48 and 256,302.08 is: 384,457.00
Step by Step Solution
- Step 1: Write the proportion equation
676,828.16 : 1,015,252.48 = 256,302.08 : x - Step 2: Convert to fraction form
676,828.16/1,015,252.48 = 256,302.08/x - Step 3: Cross multiply
676,828.16x = 1,015,252.48 × 256,302.08 - Step 4: Simplify right side
676,828.16x = 260,211,322,349.16 - Step 5: Solve for x
x = 260,211,322,349.16/676,828.16 - Step 6: Final answer
x = 384,457.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.