Finding the Fourth Proportional to 816,473.60, 1,126,752.36 and 453,883.52
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Solution
The fourth proportional to 816,473.60, 1,126,752.36 and 453,883.52 is: 626,369.70
Step by Step Solution
- Step 1: Write the proportion equation
816,473.60 : 1,126,752.36 = 453,883.52 : x - Step 2: Convert to fraction form
816,473.60/1,126,752.36 = 453,883.52/x - Step 3: Cross multiply
816,473.60x = 1,126,752.36 × 453,883.52 - Step 4: Simplify right side
816,473.60x = 511,414,327,325.11 - Step 5: Solve for x
x = 511,414,327,325.11/816,473.60 - Step 6: Final answer
x = 626,369.70
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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.