Finding the Fourth Proportional to 757,285.49, 1,044,981.36 and 417,731.87
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Solution
The fourth proportional to 757,285.49, 1,044,981.36 and 417,731.87 is: 576,429.93
Step by Step Solution
- Step 1: Write the proportion equation
757,285.49 : 1,044,981.36 = 417,731.87 : x - Step 2: Convert to fraction form
757,285.49/1,044,981.36 = 417,731.87/x - Step 3: Cross multiply
757,285.49x = 1,044,981.36 × 417,731.87 - Step 4: Simplify right side
757,285.49x = 436,522,020,240.40 - Step 5: Solve for x
x = 436,522,020,240.40/757,285.49 - Step 6: Final answer
x = 576,429.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.