Finding the Fourth Proportional to 843,624.08, 1,164,201.32 and 461,650.92
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Solution
The fourth proportional to 843,624.08, 1,164,201.32 and 461,650.92 is: 637,078.32
Step by Step Solution
- Step 1: Write the proportion equation
843,624.08 : 1,164,201.32 = 461,650.92 : x - Step 2: Convert to fraction form
843,624.08/1,164,201.32 = 461,650.92/x - Step 3: Cross multiply
843,624.08x = 1,164,201.32 × 461,650.92 - Step 4: Simplify right side
843,624.08x = 537,454,610,443.21 - Step 5: Solve for x
x = 537,454,610,443.21/843,624.08 - Step 6: Final answer
x = 637,078.32
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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.