Finding the Fourth Proportional to 727,454.18, 1,091,183.30 and 254,139.53
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Solution
The fourth proportional to 727,454.18, 1,091,183.30 and 254,139.53 is: 381,209.99
Step by Step Solution
- Step 1: Write the proportion equation
727,454.18 : 1,091,183.30 = 254,139.53 : x - Step 2: Convert to fraction form
727,454.18/1,091,183.30 = 254,139.53/x - Step 3: Cross multiply
727,454.18x = 1,091,183.30 × 254,139.53 - Step 4: Simplify right side
727,454.18x = 277,312,805,232.26 - Step 5: Solve for x
x = 277,312,805,232.26/727,454.18 - Step 6: Final answer
x = 381,209.99
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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.