Finding the Fourth Proportional to 505,561.68, 697,711.86 and 290,769.12
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Solution
The fourth proportional to 505,561.68, 697,711.86 and 290,769.12 is: 401,282.52
Step by Step Solution
- Step 1: Write the proportion equation
505,561.68 : 697,711.86 = 290,769.12 : x - Step 2: Convert to fraction form
505,561.68/697,711.86 = 290,769.12/x - Step 3: Cross multiply
505,561.68x = 697,711.86 × 290,769.12 - Step 4: Simplify right side
505,561.68x = 202,873,063,545.76 - Step 5: Solve for x
x = 202,873,063,545.76/505,561.68 - Step 6: Final answer
x = 401,282.52
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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.