Finding the Fourth Proportional to 855,294.70, 1,283,227.11 and 286,732.06
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Solution
The fourth proportional to 855,294.70, 1,283,227.11 and 286,732.06 is: 430,193.65
Step by Step Solution
- Step 1: Write the proportion equation
855,294.70 : 1,283,227.11 = 286,732.06 : x - Step 2: Convert to fraction form
855,294.70/1,283,227.11 = 286,732.06/x - Step 3: Cross multiply
855,294.70x = 1,283,227.11 × 286,732.06 - Step 4: Simplify right side
855,294.70x = 367,942,352,698.15 - Step 5: Solve for x
x = 367,942,352,698.15/855,294.70 - Step 6: Final answer
x = 430,193.65
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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.