Finding the Fourth Proportional to 754,396.53, 1,040,988.47 and 432,120.21
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Solution
The fourth proportional to 754,396.53, 1,040,988.47 and 432,120.21 is: 596,280.79
Step by Step Solution
- Step 1: Write the proportion equation
754,396.53 : 1,040,988.47 = 432,120.21 : x - Step 2: Convert to fraction form
754,396.53/1,040,988.47 = 432,120.21/x - Step 3: Cross multiply
754,396.53x = 1,040,988.47 × 432,120.21 - Step 4: Simplify right side
754,396.53x = 449,832,152,139.34 - Step 5: Solve for x
x = 449,832,152,139.34/754,396.53 - Step 6: Final answer
x = 596,280.79
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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.