Finding the Fourth Proportional to 702,976.70, 970,108.36 and 380,687.14
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Solution
The fourth proportional to 702,976.70, 970,108.36 and 380,687.14 is: 525,348.53
Step by Step Solution
- Step 1: Write the proportion equation
702,976.70 : 970,108.36 = 380,687.14 : x - Step 2: Convert to fraction form
702,976.70/970,108.36 = 380,687.14/x - Step 3: Cross multiply
702,976.70x = 970,108.36 × 380,687.14 - Step 4: Simplify right side
702,976.70x = 369,307,777,058.49 - Step 5: Solve for x
x = 369,307,777,058.49/702,976.70 - Step 6: Final answer
x = 525,348.53
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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.