Finding the Fourth Proportional to 771,585.72, 1,157,369.94 and 272,833.08
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Solution
The fourth proportional to 771,585.72, 1,157,369.94 and 272,833.08 is: 409,246.56
Step by Step Solution
- Step 1: Write the proportion equation
771,585.72 : 1,157,369.94 = 272,833.08 : x - Step 2: Convert to fraction form
771,585.72/1,157,369.94 = 272,833.08/x - Step 3: Cross multiply
771,585.72x = 1,157,369.94 × 272,833.08 - Step 4: Simplify right side
771,585.72x = 315,768,805,429.62 - Step 5: Solve for x
x = 315,768,805,429.62/771,585.72 - Step 6: Final answer
x = 409,246.56
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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.