Finding the Fourth Proportional to 815,850.81, 1,125,909.14 and 453,274.66
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Solution
The fourth proportional to 815,850.81, 1,125,909.14 and 453,274.66 is: 625,538.48
Step by Step Solution
- Step 1: Write the proportion equation
815,850.81 : 1,125,909.14 = 453,274.66 : x - Step 2: Convert to fraction form
815,850.81/1,125,909.14 = 453,274.66/x - Step 3: Cross multiply
815,850.81x = 1,125,909.14 × 453,274.66 - Step 4: Simplify right side
815,850.81x = 510,346,077,543.25 - Step 5: Solve for x
x = 510,346,077,543.25/815,850.81 - Step 6: Final answer
x = 625,538.48
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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.