Finding the Fourth Proportional to 815,687.76, 1,125,829.04 and 453,236.16
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Solution
The fourth proportional to 815,687.76, 1,125,829.04 and 453,236.16 is: 625,565.88
Step by Step Solution
- Step 1: Write the proportion equation
815,687.76 : 1,125,829.04 = 453,236.16 : x - Step 2: Convert to fraction form
815,687.76/1,125,829.04 = 453,236.16/x - Step 3: Cross multiply
815,687.76x = 1,125,829.04 × 453,236.16 - Step 4: Simplify right side
815,687.76x = 510,266,430,906.09 - Step 5: Solve for x
x = 510,266,430,906.09/815,687.76 - Step 6: Final answer
x = 625,565.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.