Finding the Fourth Proportional to 658,042.84, 908,099.40 and 356,236.84
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Solution
The fourth proportional to 658,042.84, 908,099.40 and 356,236.84 is: 491,606.99
Step by Step Solution
- Step 1: Write the proportion equation
658,042.84 : 908,099.40 = 356,236.84 : x - Step 2: Convert to fraction form
658,042.84/908,099.40 = 356,236.84/x - Step 3: Cross multiply
658,042.84x = 908,099.40 × 356,236.84 - Step 4: Simplify right side
658,042.84x = 323,498,460,661.90 - Step 5: Solve for x
x = 323,498,460,661.90/658,042.84 - Step 6: Final answer
x = 491,606.99
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1.5x scale
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.