Finding the Fourth Proportional to 749,912.35, 1,125,033.76 and 217,455.61
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Solution
The fourth proportional to 749,912.35, 1,125,033.76 and 217,455.61 is: 326,231.32
Step by Step Solution
- Step 1: Write the proportion equation
749,912.35 : 1,125,033.76 = 217,455.61 : x - Step 2: Convert to fraction form
749,912.35/1,125,033.76 = 217,455.61/x - Step 3: Cross multiply
749,912.35x = 1,125,033.76 × 217,455.61 - Step 4: Simplify right side
749,912.35x = 244,644,896,926.23 - Step 5: Solve for x
x = 244,644,896,926.23/749,912.35 - Step 6: Final answer
x = 326,231.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.