Finding the Fourth Proportional to 887,205.08, 1,331,188.86 and 288,349.76
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Solution
The fourth proportional to 887,205.08, 1,331,188.86 and 288,349.76 is: 432,648.55
Step by Step Solution
- Step 1: Write the proportion equation
887,205.08 : 1,331,188.86 = 288,349.76 : x - Step 2: Convert to fraction form
887,205.08/1,331,188.86 = 288,349.76/x - Step 3: Cross multiply
887,205.08x = 1,331,188.86 × 288,349.76 - Step 4: Simplify right side
887,205.08x = 383,847,988,295.67 - Step 5: Solve for x
x = 383,847,988,295.67/887,205.08 - Step 6: Final answer
x = 432,648.55
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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.