Finding the Fourth Proportional to 815,697.30, 1,125,842.19 and 453,245.70
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Solution
The fourth proportional to 815,697.30, 1,125,842.19 and 453,245.70 is: 625,579.04
Step by Step Solution
- Step 1: Write the proportion equation
815,697.30 : 1,125,842.19 = 453,245.70 : x - Step 2: Convert to fraction form
815,697.30/1,125,842.19 = 453,245.70/x - Step 3: Cross multiply
815,697.30x = 1,125,842.19 × 453,245.70 - Step 4: Simplify right side
815,697.30x = 510,283,131,496.08 - Step 5: Solve for x
x = 510,283,131,496.08/815,697.30 - Step 6: Final answer
x = 625,579.04
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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.