Finding the Fourth Proportional to 974,880.88, 1,345,310.42 and 539,286.88
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Solution
The fourth proportional to 974,880.88, 1,345,310.42 and 539,286.88 is: 744,201.96
Step by Step Solution
- Step 1: Write the proportion equation
974,880.88 : 1,345,310.42 = 539,286.88 : x - Step 2: Convert to fraction form
974,880.88/1,345,310.42 = 539,286.88/x - Step 3: Cross multiply
974,880.88x = 1,345,310.42 × 539,286.88 - Step 4: Simplify right side
974,880.88x = 725,508,259,033.29 - Step 5: Solve for x
x = 725,508,259,033.29/974,880.88 - Step 6: Final answer
x = 744,201.96
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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.