Finding the Fourth Proportional to 676,968.08, 1,015,462.92 and 256,130.96
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Solution
The fourth proportional to 676,968.08, 1,015,462.92 and 256,130.96 is: 384,200.53
Step by Step Solution
- Step 1: Write the proportion equation
676,968.08 : 1,015,462.92 = 256,130.96 : x - Step 2: Convert to fraction form
676,968.08/1,015,462.92 = 256,130.96/x - Step 3: Cross multiply
676,968.08x = 1,015,462.92 × 256,130.96 - Step 4: Simplify right side
676,968.08x = 260,091,492,544.00 - Step 5: Solve for x
x = 260,091,492,544.00/676,968.08 - Step 6: Final answer
x = 384,200.53
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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.