Finding the Fourth Proportional to 830,953.36, 1,246,405.43 and 344,586.43
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Solution
The fourth proportional to 830,953.36, 1,246,405.43 and 344,586.43 is: 516,869.44
Step by Step Solution
- Step 1: Write the proportion equation
830,953.36 : 1,246,405.43 = 344,586.43 : x - Step 2: Convert to fraction form
830,953.36/1,246,405.43 = 344,586.43/x - Step 3: Cross multiply
830,953.36x = 1,246,405.43 × 344,586.43 - Step 4: Simplify right side
830,953.36x = 429,494,399,875.79 - Step 5: Solve for x
x = 429,494,399,875.79/830,953.36 - Step 6: Final answer
x = 516,869.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.