Finding the Fourth Proportional to 910,987.57, 1,367,310.39 and 484,880.99
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Solution
The fourth proportional to 910,987.57, 1,367,310.39 and 484,880.99 is: 727,762.75
Step by Step Solution
- Step 1: Write the proportion equation
910,987.57 : 1,367,310.39 = 484,880.99 : x - Step 2: Convert to fraction form
910,987.57/1,367,310.39 = 484,880.99/x - Step 3: Cross multiply
910,987.57x = 1,367,310.39 × 484,880.99 - Step 4: Simplify right side
910,987.57x = 662,982,818,958.76 - Step 5: Solve for x
x = 662,982,818,958.76/910,987.57 - Step 6: Final answer
x = 727,762.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.