Finding the Fourth Proportional to 998,246.58, 1,496,770.12 and 390,310.55
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Solution
The fourth proportional to 998,246.58, 1,496,770.12 and 390,310.55 is: 585,231.32
Step by Step Solution
- Step 1: Write the proportion equation
998,246.58 : 1,496,770.12 = 390,310.55 : x - Step 2: Convert to fraction form
998,246.58/1,496,770.12 = 390,310.55/x - Step 3: Cross multiply
998,246.58x = 1,496,770.12 × 390,310.55 - Step 4: Simplify right side
998,246.58x = 584,205,166,279.94 - Step 5: Solve for x
x = 584,205,166,279.94/998,246.58 - Step 6: Final answer
x = 585,231.32
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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.