Finding the Fourth Proportional to 998,210.43, 1,497,020.40 and 288,244.62
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Solution
The fourth proportional to 998,210.43, 1,497,020.40 and 288,244.62 is: 432,281.67
Step by Step Solution
- Step 1: Write the proportion equation
998,210.43 : 1,497,020.40 = 288,244.62 : x - Step 2: Convert to fraction form
998,210.43/1,497,020.40 = 288,244.62/x - Step 3: Cross multiply
998,210.43x = 1,497,020.40 × 288,244.62 - Step 4: Simplify right side
998,210.43x = 431,508,076,330.25 - Step 5: Solve for x
x = 431,508,076,330.25/998,210.43 - Step 6: Final answer
x = 432,281.67
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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.