Finding the Fourth Proportional to 811,646.82, 1,120,105.62 and 449,064.81
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Solution
The fourth proportional to 811,646.82, 1,120,105.62 and 449,064.81 is: 619,727.70
Step by Step Solution
- Step 1: Write the proportion equation
811,646.82 : 1,120,105.62 = 449,064.81 : x - Step 2: Convert to fraction form
811,646.82/1,120,105.62 = 449,064.81/x - Step 3: Cross multiply
811,646.82x = 1,120,105.62 × 449,064.81 - Step 4: Simplify right side
811,646.82x = 503,000,017,425.23 - Step 5: Solve for x
x = 503,000,017,425.23/811,646.82 - Step 6: Final answer
x = 619,727.70
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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.