Finding the Fourth Proportional to 998,531.10, 1,497,796.65 and 288,582.30
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Solution
The fourth proportional to 998,531.10, 1,497,796.65 and 288,582.30 is: 432,873.45
Step by Step Solution
- Step 1: Write the proportion equation
998,531.10 : 1,497,796.65 = 288,582.30 : x - Step 2: Convert to fraction form
998,531.10/1,497,796.65 = 288,582.30/x - Step 3: Cross multiply
998,531.10x = 1,497,796.65 × 288,582.30 - Step 4: Simplify right side
998,531.10x = 432,237,602,189.30 - Step 5: Solve for x
x = 432,237,602,189.30/998,531.10 - Step 6: Final answer
x = 432,873.45
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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.