Finding the Fourth Proportional to 702,972.70, 970,102.84 and 380,683.14
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Solution
The fourth proportional to 702,972.70, 970,102.84 and 380,683.14 is: 525,343.01
Step by Step Solution
- Step 1: Write the proportion equation
702,972.70 : 970,102.84 = 380,683.14 : x - Step 2: Convert to fraction form
702,972.70/970,102.84 = 380,683.14/x - Step 3: Cross multiply
702,972.70x = 970,102.84 × 380,683.14 - Step 4: Simplify right side
702,972.70x = 369,301,795,254.12 - Step 5: Solve for x
x = 369,301,795,254.12/702,972.70 - Step 6: Final answer
x = 525,343.01
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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.