Finding the Fourth Proportional to 855,704.06, 1,180,863.52 and 492,994.70
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Solution
The fourth proportional to 855,704.06, 1,180,863.52 and 492,994.70 is: 680,328.02
Step by Step Solution
- Step 1: Write the proportion equation
855,704.06 : 1,180,863.52 = 492,994.70 : x - Step 2: Convert to fraction form
855,704.06/1,180,863.52 = 492,994.70/x - Step 3: Cross multiply
855,704.06x = 1,180,863.52 × 492,994.70 - Step 4: Simplify right side
855,704.06x = 582,159,449,646.54 - Step 5: Solve for x
x = 582,159,449,646.54/855,704.06 - Step 6: Final answer
x = 680,328.02
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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.