Finding the Fourth Proportional to 400,790.66, 597,649.36 and 397,191.24
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Solution
The fourth proportional to 400,790.66, 597,649.36 and 397,191.24 is: 592,281.99
Step by Step Solution
- Step 1: Write the proportion equation
400,790.66 : 597,649.36 = 397,191.24 : x - Step 2: Convert to fraction form
400,790.66/597,649.36 = 397,191.24/x - Step 3: Cross multiply
400,790.66x = 597,649.36 × 397,191.24 - Step 4: Simplify right side
400,790.66x = 237,381,090,383.61 - Step 5: Solve for x
x = 237,381,090,383.61/400,790.66 - Step 6: Final answer
x = 592,281.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.