Finding the Fourth Proportional to 607,668.66, 838,319.28 and 365,811.09
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Solution
The fourth proportional to 607,668.66, 838,319.28 and 365,811.09 is: 504,660.70
Step by Step Solution
- Step 1: Write the proportion equation
607,668.66 : 838,319.28 = 365,811.09 : x - Step 2: Convert to fraction form
607,668.66/838,319.28 = 365,811.09/x - Step 3: Cross multiply
607,668.66x = 838,319.28 × 365,811.09 - Step 4: Simplify right side
607,668.66x = 306,666,489,584.82 - Step 5: Solve for x
x = 306,666,489,584.82/607,668.66 - Step 6: Final answer
x = 504,660.70
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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.