Finding the Fourth Proportional to 675,843.49, 931,134.49 and 554,793.13
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Solution
The fourth proportional to 675,843.49, 931,134.49 and 554,793.13 is: 764,358.95
Step by Step Solution
- Step 1: Write the proportion equation
675,843.49 : 931,134.49 = 554,793.13 : x - Step 2: Convert to fraction form
675,843.49/931,134.49 = 554,793.13/x - Step 3: Cross multiply
675,843.49x = 931,134.49 × 554,793.13 - Step 4: Simplify right side
675,843.49x = 516,587,018,158.05 - Step 5: Solve for x
x = 516,587,018,158.05/675,843.49 - Step 6: Final answer
x = 764,358.95
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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.