Finding the Fourth Proportional to 696,273.12, 1,044,240.12 and 291,246.39
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Solution
The fourth proportional to 696,273.12, 1,044,240.12 and 291,246.39 is: 436,798.66
Step by Step Solution
- Step 1: Write the proportion equation
696,273.12 : 1,044,240.12 = 291,246.39 : x - Step 2: Convert to fraction form
696,273.12/1,044,240.12 = 291,246.39/x - Step 3: Cross multiply
696,273.12x = 1,044,240.12 × 291,246.39 - Step 4: Simplify right side
696,273.12x = 304,131,165,243.17 - Step 5: Solve for x
x = 304,131,165,243.17/696,273.12 - Step 6: Final answer
x = 436,798.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.