Finding the Fourth Proportional to 702,777.57, 969,831.68 and 380,487.62
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Solution
The fourth proportional to 702,777.57, 969,831.68 and 380,487.62 is: 525,072.17
Step by Step Solution
- Step 1: Write the proportion equation
702,777.57 : 969,831.68 = 380,487.62 : x - Step 2: Convert to fraction form
702,777.57/969,831.68 = 380,487.62/x - Step 3: Cross multiply
702,777.57x = 969,831.68 × 380,487.62 - Step 4: Simplify right side
702,777.57x = 369,008,940,972.21 - Step 5: Solve for x
x = 369,008,940,972.21/702,777.57 - Step 6: Final answer
x = 525,072.17
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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.