Finding the Fourth Proportional to 920,367.48, 1,270,106.22 and 517,968.12
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Solution
The fourth proportional to 920,367.48, 1,270,106.22 and 517,968.12 is: 714,795.50
Step by Step Solution
- Step 1: Write the proportion equation
920,367.48 : 1,270,106.22 = 517,968.12 : x - Step 2: Convert to fraction form
920,367.48/1,270,106.22 = 517,968.12/x - Step 3: Cross multiply
920,367.48x = 1,270,106.22 × 517,968.12 - Step 4: Simplify right side
920,367.48x = 657,874,530,973.71 - Step 5: Solve for x
x = 657,874,530,973.71/920,367.48 - Step 6: Final answer
x = 714,795.50
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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.