Finding the Fourth Proportional to 726,642.43, 1,090,037.99 and 277,741.17
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Solution
The fourth proportional to 726,642.43, 1,090,037.99 and 277,741.17 is: 416,640.17
Step by Step Solution
- Step 1: Write the proportion equation
726,642.43 : 1,090,037.99 = 277,741.17 : x - Step 2: Convert to fraction form
726,642.43/1,090,037.99 = 277,741.17/x - Step 3: Cross multiply
726,642.43x = 1,090,037.99 × 277,741.17 - Step 4: Simplify right side
726,642.43x = 302,748,427,381.40 - Step 5: Solve for x
x = 302,748,427,381.40/726,642.43 - Step 6: Final answer
x = 416,640.17
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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.