Finding the Fourth Proportional to 893,059.10, 1,232,416.62 and 485,157.68
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Solution
The fourth proportional to 893,059.10, 1,232,416.62 and 485,157.68 is: 669,514.92
Step by Step Solution
- Step 1: Write the proportion equation
893,059.10 : 1,232,416.62 = 485,157.68 : x - Step 2: Convert to fraction form
893,059.10/1,232,416.62 = 485,157.68/x - Step 3: Cross multiply
893,059.10x = 1,232,416.62 × 485,157.68 - Step 4: Simplify right side
893,059.10x = 597,916,388,152.64 - Step 5: Solve for x
x = 597,916,388,152.64/893,059.10 - Step 6: Final answer
x = 669,514.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.