Finding the Fourth Proportional to 753,908.68, 1,040,545.30 and 447,926.18
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Solution
The fourth proportional to 753,908.68, 1,040,545.30 and 447,926.18 is: 618,228.03
Step by Step Solution
- Step 1: Write the proportion equation
753,908.68 : 1,040,545.30 = 447,926.18 : x - Step 2: Convert to fraction form
753,908.68/1,040,545.30 = 447,926.18/x - Step 3: Cross multiply
753,908.68x = 1,040,545.30 × 447,926.18 - Step 4: Simplify right side
753,908.68x = 466,087,481,345.95 - Step 5: Solve for x
x = 466,087,481,345.95/753,908.68 - Step 6: Final answer
x = 618,228.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.