Finding the Fourth Proportional to 843,613.47, 1,265,552.18 and 274,862.55
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Solution
The fourth proportional to 843,613.47, 1,265,552.18 and 274,862.55 is: 412,336.82
Step by Step Solution
- Step 1: Write the proportion equation
843,613.47 : 1,265,552.18 = 274,862.55 : x - Step 2: Convert to fraction form
843,613.47/1,265,552.18 = 274,862.55/x - Step 3: Cross multiply
843,613.47x = 1,265,552.18 × 274,862.55 - Step 4: Simplify right side
843,613.47x = 347,852,899,352.86 - Step 5: Solve for x
x = 347,852,899,352.86/843,613.47 - Step 6: Final answer
x = 412,336.82
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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.