Finding the Fourth Proportional to 707,554.62, 976,416.87 and 385,264.62
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Solution
The fourth proportional to 707,554.62, 976,416.87 and 385,264.62 is: 531,660.54
Step by Step Solution
- Step 1: Write the proportion equation
707,554.62 : 976,416.87 = 385,264.62 : x - Step 2: Convert to fraction form
707,554.62/976,416.87 = 385,264.62/x - Step 3: Cross multiply
707,554.62x = 976,416.87 × 385,264.62 - Step 4: Simplify right side
707,554.62x = 376,178,874,382.14 - Step 5: Solve for x
x = 376,178,874,382.14/707,554.62 - Step 6: Final answer
x = 531,660.54
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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.