Finding the Fourth Proportional to 835,830.09, 1,153,445.67 and 453,856.97
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Solution
The fourth proportional to 835,830.09, 1,153,445.67 and 453,856.97 is: 626,322.70
Step by Step Solution
- Step 1: Write the proportion equation
835,830.09 : 1,153,445.67 = 453,856.97 : x - Step 2: Convert to fraction form
835,830.09/1,153,445.67 = 453,856.97/x - Step 3: Cross multiply
835,830.09x = 1,153,445.67 × 453,856.97 - Step 4: Simplify right side
835,830.09x = 523,499,359,729.43 - Step 5: Solve for x
x = 523,499,359,729.43/835,830.09 - Step 6: Final answer
x = 626,322.70
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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.