Finding the Fourth Proportional to 790,201.29, 1,185,181.62 and 257,721.46
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Solution
The fourth proportional to 790,201.29, 1,185,181.62 and 257,721.46 is: 386,542.95
Step by Step Solution
- Step 1: Write the proportion equation
790,201.29 : 1,185,181.62 = 257,721.46 : x - Step 2: Convert to fraction form
790,201.29/1,185,181.62 = 257,721.46/x - Step 3: Cross multiply
790,201.29x = 1,185,181.62 × 257,721.46 - Step 4: Simplify right side
790,201.29x = 305,446,737,471.57 - Step 5: Solve for x
x = 305,446,737,471.57/790,201.29 - Step 6: Final answer
x = 386,542.95
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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.