Finding the Fourth Proportional to 509,305.14, 702,799.95 and 294,459.05
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Solution
The fourth proportional to 509,305.14, 702,799.95 and 294,459.05 is: 406,329.69
Step by Step Solution
- Step 1: Write the proportion equation
509,305.14 : 702,799.95 = 294,459.05 : x - Step 2: Convert to fraction form
509,305.14/702,799.95 = 294,459.05/x - Step 3: Cross multiply
509,305.14x = 702,799.95 × 294,459.05 - Step 4: Simplify right side
509,305.14x = 206,945,802,103.05 - Step 5: Solve for x
x = 206,945,802,103.05/509,305.14 - Step 6: Final answer
x = 406,329.69
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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.