Finding the Fourth Proportional to 887,990.70, 1,330,892.55 and 603,680.70
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Solution
The fourth proportional to 887,990.70, 1,330,892.55 and 603,680.70 is: 904,777.66
Step by Step Solution
- Step 1: Write the proportion equation
887,990.70 : 1,330,892.55 = 603,680.70 : x - Step 2: Convert to fraction form
887,990.70/1,330,892.55 = 603,680.70/x - Step 3: Cross multiply
887,990.70x = 1,330,892.55 × 603,680.70 - Step 4: Simplify right side
887,990.70x = 803,434,146,208.79 - Step 5: Solve for x
x = 803,434,146,208.79/887,990.70 - Step 6: Final answer
x = 904,777.66
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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.