Finding the Fourth Proportional to 708,629.42, 1,062,382.80 and 353,460.62
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Solution
The fourth proportional to 708,629.42, 1,062,382.80 and 353,460.62 is: 529,910.94
Step by Step Solution
- Step 1: Write the proportion equation
708,629.42 : 1,062,382.80 = 353,460.62 : x - Step 2: Convert to fraction form
708,629.42/1,062,382.80 = 353,460.62/x - Step 3: Cross multiply
708,629.42x = 1,062,382.80 × 353,460.62 - Step 4: Simplify right side
708,629.42x = 375,510,483,165.34 - Step 5: Solve for x
x = 375,510,483,165.34/708,629.42 - Step 6: Final answer
x = 529,910.94
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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.