Finding the Fourth Proportional to 815,620.59, 1,125,524.97 and 453,067.63
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Solution
The fourth proportional to 815,620.59, 1,125,524.97 and 453,067.63 is: 625,215.86
Step by Step Solution
- Step 1: Write the proportion equation
815,620.59 : 1,125,524.97 = 453,067.63 : x - Step 2: Convert to fraction form
815,620.59/1,125,524.97 = 453,067.63/x - Step 3: Cross multiply
815,620.59x = 1,125,524.97 × 453,067.63 - Step 4: Simplify right side
815,620.59x = 509,938,927,849.91 - Step 5: Solve for x
x = 509,938,927,849.91/815,620.59 - Step 6: Final answer
x = 625,215.86
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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.