Finding the Fourth Proportional to 857,889.02, 1,183,883.24 and 475,915.80
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Solution
The fourth proportional to 857,889.02, 1,183,883.24 and 475,915.80 is: 656,761.81
Step by Step Solution
- Step 1: Write the proportion equation
857,889.02 : 1,183,883.24 = 475,915.80 : x - Step 2: Convert to fraction form
857,889.02/1,183,883.24 = 475,915.80/x - Step 3: Cross multiply
857,889.02x = 1,183,883.24 × 475,915.80 - Step 4: Simplify right side
857,889.02x = 563,428,744,900.54 - Step 5: Solve for x
x = 563,428,744,900.54/857,889.02 - Step 6: Final answer
x = 656,761.81
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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.