Finding the Fourth Proportional to 674,838.69, 930,673.86 and 559,935.09
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Solution
The fourth proportional to 674,838.69, 930,673.86 and 559,935.09 is: 772,209.65
Step by Step Solution
- Step 1: Write the proportion equation
674,838.69 : 930,673.86 = 559,935.09 : x - Step 2: Convert to fraction form
674,838.69/930,673.86 = 559,935.09/x - Step 3: Cross multiply
674,838.69x = 930,673.86 × 559,935.09 - Step 4: Simplify right side
674,838.69x = 521,116,951,559.75 - Step 5: Solve for x
x = 521,116,951,559.75/674,838.69 - Step 6: Final answer
x = 772,209.65
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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.