Finding the Fourth Proportional to 514,876.38, 772,283.79 and 305,844.54
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Solution
The fourth proportional to 514,876.38, 772,283.79 and 305,844.54 is: 458,748.53
Step by Step Solution
- Step 1: Write the proportion equation
514,876.38 : 772,283.79 = 305,844.54 : x - Step 2: Convert to fraction form
514,876.38/772,283.79 = 305,844.54/x - Step 3: Cross multiply
514,876.38x = 772,283.79 × 305,844.54 - Step 4: Simplify right side
514,876.38x = 236,198,780,502.01 - Step 5: Solve for x
x = 236,198,780,502.01/514,876.38 - Step 6: Final answer
x = 458,748.53
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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.