Finding the Fourth Proportional to 819,553.24, 1,228,628.67 and 314,476.68
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Solution
The fourth proportional to 819,553.24, 1,228,628.67 and 314,476.68 is: 471,445.96
Step by Step Solution
- Step 1: Write the proportion equation
819,553.24 : 1,228,628.67 = 314,476.68 : x - Step 2: Convert to fraction form
819,553.24/1,228,628.67 = 314,476.68/x - Step 3: Cross multiply
819,553.24x = 1,228,628.67 × 314,476.68 - Step 4: Simplify right side
819,553.24x = 386,375,065,094.42 - Step 5: Solve for x
x = 386,375,065,094.42/819,553.24 - Step 6: Final answer
x = 471,445.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.