Finding the Fourth Proportional to 803,232.36, 1,204,209.14 and 398,139.48
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Solution
The fourth proportional to 803,232.36, 1,204,209.14 and 398,139.48 is: 596,892.29
Step by Step Solution
- Step 1: Write the proportion equation
803,232.36 : 1,204,209.14 = 398,139.48 : x - Step 2: Convert to fraction form
803,232.36/1,204,209.14 = 398,139.48/x - Step 3: Cross multiply
803,232.36x = 1,204,209.14 × 398,139.48 - Step 4: Simplify right side
803,232.36x = 479,443,200,810.85 - Step 5: Solve for x
x = 479,443,200,810.85/803,232.36 - Step 6: Final answer
x = 596,892.29
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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.