Finding the Fourth Proportional to 610,754.80, 842,842.61 and 338,822.70
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Solution
The fourth proportional to 610,754.80, 842,842.61 and 338,822.70 is: 467,575.87
Step by Step Solution
- Step 1: Write the proportion equation
610,754.80 : 842,842.61 = 338,822.70 : x - Step 2: Convert to fraction form
610,754.80/842,842.61 = 338,822.70/x - Step 3: Cross multiply
610,754.80x = 842,842.61 × 338,822.70 - Step 4: Simplify right side
610,754.80x = 285,574,207,101.13 - Step 5: Solve for x
x = 285,574,207,101.13/610,754.80 - Step 6: Final answer
x = 467,575.87
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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.