Finding the Fourth Proportional to 696,218.10, 1,044,400.05 and 296,901.06
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Solution
The fourth proportional to 696,218.10, 1,044,400.05 and 296,901.06 is: 445,382.68
Step by Step Solution
- Step 1: Write the proportion equation
696,218.10 : 1,044,400.05 = 296,901.06 : x - Step 2: Convert to fraction form
696,218.10/1,044,400.05 = 296,901.06/x - Step 3: Cross multiply
696,218.10x = 1,044,400.05 × 296,901.06 - Step 4: Simplify right side
696,218.10x = 310,083,481,909.05 - Step 5: Solve for x
x = 310,083,481,909.05/696,218.10 - Step 6: Final answer
x = 445,382.68
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1.5x scale
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.