Finding the Fourth Proportional to 816,531.04, 1,126,748.82 and 453,932.84
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Solution
The fourth proportional to 816,531.04, 1,126,748.82 and 453,932.84 is: 626,391.73
Step by Step Solution
- Step 1: Write the proportion equation
816,531.04 : 1,126,748.82 = 453,932.84 : x - Step 2: Convert to fraction form
816,531.04/1,126,748.82 = 453,932.84/x - Step 3: Cross multiply
816,531.04x = 1,126,748.82 × 453,932.84 - Step 4: Simplify right side
816,531.04x = 511,468,291,829.25 - Step 5: Solve for x
x = 511,468,291,829.25/816,531.04 - Step 6: Final answer
x = 626,391.73
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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.