Finding the Fourth Proportional to 913,919.44, 1,260,811.76 and 551,141.70
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Solution
The fourth proportional to 913,919.44, 1,260,811.76 and 551,141.70 is: 760,336.09
Step by Step Solution
- Step 1: Write the proportion equation
913,919.44 : 1,260,811.76 = 551,141.70 : x - Step 2: Convert to fraction form
913,919.44/1,260,811.76 = 551,141.70/x - Step 3: Cross multiply
913,919.44x = 1,260,811.76 × 551,141.70 - Step 4: Simplify right side
913,919.44x = 694,885,930,482.33 - Step 5: Solve for x
x = 694,885,930,482.33/913,919.44 - Step 6: Final answer
x = 760,336.09
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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.