Finding the Fourth Proportional to 518,560.70, 776,919.45 and 444,832.70
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Solution
The fourth proportional to 518,560.70, 776,919.45 and 444,832.70 is: 666,458.48
Step by Step Solution
- Step 1: Write the proportion equation
518,560.70 : 776,919.45 = 444,832.70 : x - Step 2: Convert to fraction form
518,560.70/776,919.45 = 444,832.70/x - Step 3: Cross multiply
518,560.70x = 776,919.45 × 444,832.70 - Step 4: Simplify right side
518,560.70x = 345,599,176,626.02 - Step 5: Solve for x
x = 345,599,176,626.02/518,560.70 - Step 6: Final answer
x = 666,458.48
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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.