Finding the Fourth Proportional to 979,516.08, 1,351,686.69 and 543,961.08
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Solution
The fourth proportional to 979,516.08, 1,351,686.69 and 543,961.08 is: 750,641.02
Step by Step Solution
- Step 1: Write the proportion equation
979,516.08 : 1,351,686.69 = 543,961.08 : x - Step 2: Convert to fraction form
979,516.08/1,351,686.69 = 543,961.08/x - Step 3: Cross multiply
979,516.08x = 1,351,686.69 × 543,961.08 - Step 4: Simplify right side
979,516.08x = 735,264,951,714.03 - Step 5: Solve for x
x = 735,264,951,714.03/979,516.08 - Step 6: Final answer
x = 750,641.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.