Finding the Fourth Proportional to 811,097.70, 1,119,322.08 and 448,545.95
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Solution
The fourth proportional to 811,097.70, 1,119,322.08 and 448,545.95 is: 618,997.42
Step by Step Solution
- Step 1: Write the proportion equation
811,097.70 : 1,119,322.08 = 448,545.95 : x - Step 2: Convert to fraction form
811,097.70/1,119,322.08 = 448,545.95/x - Step 3: Cross multiply
811,097.70x = 1,119,322.08 × 448,545.95 - Step 4: Simplify right side
811,097.70x = 502,067,385,729.58 - Step 5: Solve for x
x = 502,067,385,729.58/811,097.70 - Step 6: Final answer
x = 618,997.42
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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.