Finding the Fourth Proportional to 998,245.60, 1,497,368.40 and 288,296.80
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Solution
The fourth proportional to 998,245.60, 1,497,368.40 and 288,296.80 is: 432,445.20
Step by Step Solution
- Step 1: Write the proportion equation
998,245.60 : 1,497,368.40 = 288,296.80 : x - Step 2: Convert to fraction form
998,245.60/1,497,368.40 = 288,296.80/x - Step 3: Cross multiply
998,245.60x = 1,497,368.40 × 288,296.80 - Step 4: Simplify right side
998,245.60x = 431,686,518,141.12 - Step 5: Solve for x
x = 431,686,518,141.12/998,245.60 - Step 6: Final answer
x = 432,445.20
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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.