Finding the Fourth Proportional to 874,961.73, 1,207,484.43 and 487,777.08
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Solution
The fourth proportional to 874,961.73, 1,207,484.43 and 487,777.08 is: 673,153.12
Step by Step Solution
- Step 1: Write the proportion equation
874,961.73 : 1,207,484.43 = 487,777.08 : x - Step 2: Convert to fraction form
874,961.73/1,207,484.43 = 487,777.08/x - Step 3: Cross multiply
874,961.73x = 1,207,484.43 × 487,777.08 - Step 4: Simplify right side
874,961.73x = 588,983,223,053.63 - Step 5: Solve for x
x = 588,983,223,053.63/874,961.73 - Step 6: Final answer
x = 673,153.12
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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.