Finding the Fourth Proportional to 546,478.68, 754,139.11 and 304,761.53
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Solution
The fourth proportional to 546,478.68, 754,139.11 and 304,761.53 is: 420,570.09
Step by Step Solution
- Step 1: Write the proportion equation
546,478.68 : 754,139.11 = 304,761.53 : x - Step 2: Convert to fraction form
546,478.68/754,139.11 = 304,761.53/x - Step 3: Cross multiply
546,478.68x = 754,139.11 × 304,761.53 - Step 4: Simplify right side
546,478.68x = 229,832,585,388.76 - Step 5: Solve for x
x = 229,832,585,388.76/546,478.68 - Step 6: Final answer
x = 420,570.09
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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.