Finding the Fourth Proportional to 708,628.92, 1,062,382.05 and 353,460.12
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Solution
The fourth proportional to 708,628.92, 1,062,382.05 and 353,460.12 is: 529,910.19
Step by Step Solution
- Step 1: Write the proportion equation
708,628.92 : 1,062,382.05 = 353,460.12 : x - Step 2: Convert to fraction form
708,628.92/1,062,382.05 = 353,460.12/x - Step 3: Cross multiply
708,628.92x = 1,062,382.05 × 353,460.12 - Step 4: Simplify right side
708,628.92x = 375,509,686,878.85 - Step 5: Solve for x
x = 375,509,686,878.85/708,628.92 - Step 6: Final answer
x = 529,910.19
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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.