Finding the Fourth Proportional to 682,979.68, 1,024,291.02 and 203,078.24
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Solution
The fourth proportional to 682,979.68, 1,024,291.02 and 203,078.24 is: 304,564.28
Step by Step Solution
- Step 1: Write the proportion equation
682,979.68 : 1,024,291.02 = 203,078.24 : x - Step 2: Convert to fraction form
682,979.68/1,024,291.02 = 203,078.24/x - Step 3: Cross multiply
682,979.68x = 1,024,291.02 × 203,078.24 - Step 4: Simplify right side
682,979.68x = 208,011,216,827.86 - Step 5: Solve for x
x = 208,011,216,827.86/682,979.68 - Step 6: Final answer
x = 304,564.28
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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.