Finding the Fourth Proportional to 807,451.79, 1,210,035.12 and 447,780.84
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Solution
The fourth proportional to 807,451.79, 1,210,035.12 and 447,780.84 is: 671,037.64
Step by Step Solution
- Step 1: Write the proportion equation
807,451.79 : 1,210,035.12 = 447,780.84 : x - Step 2: Convert to fraction form
807,451.79/1,210,035.12 = 447,780.84/x - Step 3: Cross multiply
807,451.79x = 1,210,035.12 × 447,780.84 - Step 4: Simplify right side
807,451.79x = 541,830,542,463.10 - Step 5: Solve for x
x = 541,830,542,463.10/807,451.79 - Step 6: Final answer
x = 671,037.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.