Finding the Fourth Proportional to 512,364.08, 707,020.44 and 297,435.44
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Solution
The fourth proportional to 512,364.08, 707,020.44 and 297,435.44 is: 410,436.53
Step by Step Solution
- Step 1: Write the proportion equation
512,364.08 : 707,020.44 = 297,435.44 : x - Step 2: Convert to fraction form
512,364.08/707,020.44 = 297,435.44/x - Step 3: Cross multiply
512,364.08x = 707,020.44 × 297,435.44 - Step 4: Simplify right side
512,364.08x = 210,292,935,660.39 - Step 5: Solve for x
x = 210,292,935,660.39/512,364.08 - Step 6: Final answer
x = 410,436.53
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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.