Finding the Fourth Proportional to 874,872.23, 1,207,323.67 and 472,464.23
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Solution
The fourth proportional to 874,872.23, 1,207,323.67 and 472,464.23 is: 652,000.63
Step by Step Solution
- Step 1: Write the proportion equation
874,872.23 : 1,207,323.67 = 472,464.23 : x - Step 2: Convert to fraction form
874,872.23/1,207,323.67 = 472,464.23/x - Step 3: Cross multiply
874,872.23x = 1,207,323.67 × 472,464.23 - Step 4: Simplify right side
874,872.23x = 570,417,246,926.16 - Step 5: Solve for x
x = 570,417,246,926.16/874,872.23 - Step 6: Final answer
x = 652,000.63
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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.