Finding the Fourth Proportional to 887,207.08, 1,331,191.86 and 288,351.76
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Solution
The fourth proportional to 887,207.08, 1,331,191.86 and 288,351.76 is: 432,651.55
Step by Step Solution
- Step 1: Write the proportion equation
887,207.08 : 1,331,191.86 = 288,351.76 : x - Step 2: Convert to fraction form
887,207.08/1,331,191.86 = 288,351.76/x - Step 3: Cross multiply
887,207.08x = 1,331,191.86 × 288,351.76 - Step 4: Simplify right side
887,207.08x = 383,851,515,728.67 - Step 5: Solve for x
x = 383,851,515,728.67/887,207.08 - Step 6: Final answer
x = 432,651.55
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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.