Finding the Fourth Proportional to 979,390.42, 1,351,690.66 and 549,694.06
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Solution
The fourth proportional to 979,390.42, 1,351,690.66 and 549,694.06 is: 758,651.82
Step by Step Solution
- Step 1: Write the proportion equation
979,390.42 : 1,351,690.66 = 549,694.06 : x - Step 2: Convert to fraction form
979,390.42/1,351,690.66 = 549,694.06/x - Step 3: Cross multiply
979,390.42x = 1,351,690.66 × 549,694.06 - Step 4: Simplify right side
979,390.42x = 743,016,326,759.48 - Step 5: Solve for x
x = 743,016,326,759.48/979,390.42 - Step 6: Final answer
x = 758,651.82
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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.