Finding the Fourth Proportional to 783,868.20, 1,176,677.10 and 732,473.70
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Solution
The fourth proportional to 783,868.20, 1,176,677.10 and 732,473.70 is: 1,099,527.99
Step by Step Solution
- Step 1: Write the proportion equation
783,868.20 : 1,176,677.10 = 732,473.70 : x - Step 2: Convert to fraction form
783,868.20/1,176,677.10 = 732,473.70/x - Step 3: Cross multiply
783,868.20x = 1,176,677.10 × 732,473.70 - Step 4: Simplify right side
783,868.20x = 861,885,029,142.27 - Step 5: Solve for x
x = 861,885,029,142.27/783,868.20 - Step 6: Final answer
x = 1,099,527.99
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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.