Finding the Fourth Proportional to 641,726.05, 885,592.39 and 351,332.71
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Solution
The fourth proportional to 641,726.05, 885,592.39 and 351,332.71 is: 484,844.86
Step by Step Solution
- Step 1: Write the proportion equation
641,726.05 : 885,592.39 = 351,332.71 : x - Step 2: Convert to fraction form
641,726.05/885,592.39 = 351,332.71/x - Step 3: Cross multiply
641,726.05x = 885,592.39 × 351,332.71 - Step 4: Simplify right side
641,726.05x = 311,137,574,334.08 - Step 5: Solve for x
x = 311,137,574,334.08/641,726.05 - Step 6: Final answer
x = 484,844.86
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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.