Finding the Fourth Proportional to 790,201.79, 1,185,182.37 and 257,721.96
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Solution
The fourth proportional to 790,201.79, 1,185,182.37 and 257,721.96 is: 386,543.70
Step by Step Solution
- Step 1: Write the proportion equation
790,201.79 : 1,185,182.37 = 257,721.96 : x - Step 2: Convert to fraction form
790,201.79/1,185,182.37 = 257,721.96/x - Step 3: Cross multiply
790,201.79x = 1,185,182.37 × 257,721.96 - Step 4: Simplify right side
790,201.79x = 305,447,523,353.85 - Step 5: Solve for x
x = 305,447,523,353.85/790,201.79 - Step 6: Final answer
x = 386,543.70
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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.