Finding the Fourth Proportional to 817,687.70, 1,226,094.15 and 343,837.70
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Solution
The fourth proportional to 817,687.70, 1,226,094.15 and 343,837.70 is: 515,572.62
Step by Step Solution
- Step 1: Write the proportion equation
817,687.70 : 1,226,094.15 = 343,837.70 : x - Step 2: Convert to fraction form
817,687.70/1,226,094.15 = 343,837.70/x - Step 3: Cross multiply
817,687.70x = 1,226,094.15 × 343,837.70 - Step 4: Simplify right side
817,687.70x = 421,577,392,519.46 - Step 5: Solve for x
x = 421,577,392,519.46/817,687.70 - Step 6: Final answer
x = 515,572.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.