Finding the Fourth Proportional to 616,930.97, 851,358.87 and 344,995.74
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Solution
The fourth proportional to 616,930.97, 851,358.87 and 344,995.74 is: 476,090.84
Step by Step Solution
- Step 1: Write the proportion equation
616,930.97 : 851,358.87 = 344,995.74 : x - Step 2: Convert to fraction form
616,930.97/851,358.87 = 344,995.74/x - Step 3: Cross multiply
616,930.97x = 851,358.87 × 344,995.74 - Step 4: Simplify right side
616,930.97x = 293,715,183,361.21 - Step 5: Solve for x
x = 293,715,183,361.21/616,930.97 - Step 6: Final answer
x = 476,090.84
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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.