Finding the Fourth Proportional to 678,332.26, 936,051.69 and 376,502.50
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Solution
The fourth proportional to 678,332.26, 936,051.69 and 376,502.50 is: 519,547.46
Step by Step Solution
- Step 1: Write the proportion equation
678,332.26 : 936,051.69 = 376,502.50 : x - Step 2: Convert to fraction form
678,332.26/936,051.69 = 376,502.50/x - Step 3: Cross multiply
678,332.26x = 936,051.69 × 376,502.50 - Step 4: Simplify right side
678,332.26x = 352,425,801,414.23 - Step 5: Solve for x
x = 352,425,801,414.23/678,332.26 - Step 6: Final answer
x = 519,547.46
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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.