Finding the Fourth Proportional to 1,207,428.46, 1,811,204.71 and 308,877.98
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Solution
The fourth proportional to 1,207,428.46, 1,811,204.71 and 308,877.98 is: 463,332.84
Step by Step Solution
- Step 1: Write the proportion equation
1,207,428.46 : 1,811,204.71 = 308,877.98 : x - Step 2: Convert to fraction form
1,207,428.46/1,811,204.71 = 308,877.98/x - Step 3: Cross multiply
1,207,428.46x = 1,811,204.71 × 308,877.98 - Step 4: Simplify right side
1,207,428.46x = 559,441,252,191.29 - Step 5: Solve for x
x = 559,441,252,191.29/1,207,428.46 - Step 6: Final answer
x = 463,332.84
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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.