Finding the Fourth Proportional to 879,210.60, 1,318,801.59 and 280,163.67
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Solution
The fourth proportional to 879,210.60, 1,318,801.59 and 280,163.67 is: 420,240.95
Step by Step Solution
- Step 1: Write the proportion equation
879,210.60 : 1,318,801.59 = 280,163.67 : x - Step 2: Convert to fraction form
879,210.60/1,318,801.59 = 280,163.67/x - Step 3: Cross multiply
879,210.60x = 1,318,801.59 × 280,163.67 - Step 4: Simplify right side
879,210.60x = 369,480,293,456.24 - Step 5: Solve for x
x = 369,480,293,456.24/879,210.60 - Step 6: Final answer
x = 420,240.95
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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.