Finding the Fourth Proportional to 804,823.56, 1,207,235.57 and 299,318.49
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Solution
The fourth proportional to 804,823.56, 1,207,235.57 and 299,318.49 is: 448,977.82
Step by Step Solution
- Step 1: Write the proportion equation
804,823.56 : 1,207,235.57 = 299,318.49 : x - Step 2: Convert to fraction form
804,823.56/1,207,235.57 = 299,318.49/x - Step 3: Cross multiply
804,823.56x = 1,207,235.57 × 299,318.49 - Step 4: Simplify right side
804,823.56x = 361,347,926,390.10 - Step 5: Solve for x
x = 361,347,926,390.10/804,823.56 - Step 6: Final answer
x = 448,977.82
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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.