Finding the Fourth Proportional to 948,861.84, 1,309,462.02 and 519,141.96
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Solution
The fourth proportional to 948,861.84, 1,309,462.02 and 519,141.96 is: 716,433.79
Step by Step Solution
- Step 1: Write the proportion equation
948,861.84 : 1,309,462.02 = 519,141.96 : x - Step 2: Convert to fraction form
948,861.84/1,309,462.02 = 519,141.96/x - Step 3: Cross multiply
948,861.84x = 1,309,462.02 × 519,141.96 - Step 4: Simplify right side
948,861.84x = 679,796,679,608.36 - Step 5: Solve for x
x = 679,796,679,608.36/948,861.84 - Step 6: Final answer
x = 716,433.79
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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.