Finding the Fourth Proportional to 874,798.38, 1,207,221.84 and 492,825.06
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Solution
The fourth proportional to 874,798.38, 1,207,221.84 and 492,825.06 is: 680,098.63
Step by Step Solution
- Step 1: Write the proportion equation
874,798.38 : 1,207,221.84 = 492,825.06 : x - Step 2: Convert to fraction form
874,798.38/1,207,221.84 = 492,825.06/x - Step 3: Cross multiply
874,798.38x = 1,207,221.84 × 492,825.06 - Step 4: Simplify right side
874,798.38x = 594,949,175,731.31 - Step 5: Solve for x
x = 594,949,175,731.31/874,798.38 - Step 6: Final answer
x = 680,098.63
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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.