Finding the Fourth Proportional to 727,291.97, 1,091,109.67 and 228,655.97
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Solution
The fourth proportional to 727,291.97, 1,091,109.67 and 228,655.97 is: 343,037.94
Step by Step Solution
- Step 1: Write the proportion equation
727,291.97 : 1,091,109.67 = 228,655.97 : x - Step 2: Convert to fraction form
727,291.97/1,091,109.67 = 228,655.97/x - Step 3: Cross multiply
727,291.97x = 1,091,109.67 × 228,655.97 - Step 4: Simplify right side
727,291.97x = 249,488,739,970.23 - Step 5: Solve for x
x = 249,488,739,970.23/727,291.97 - Step 6: Final answer
x = 343,037.94
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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.