Finding the Fourth Proportional to 691,043.13, 953,708.99 and 419,102.01
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Solution
The fourth proportional to 691,043.13, 953,708.99 and 419,102.01 is: 578,402.90
Step by Step Solution
- Step 1: Write the proportion equation
691,043.13 : 953,708.99 = 419,102.01 : x - Step 2: Convert to fraction form
691,043.13/953,708.99 = 419,102.01/x - Step 3: Cross multiply
691,043.13x = 953,708.99 × 419,102.01 - Step 4: Simplify right side
691,043.13x = 399,701,352,568.56 - Step 5: Solve for x
x = 399,701,352,568.56/691,043.13 - Step 6: Final answer
x = 578,402.90
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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.