Finding the Fourth Proportional to 998,656.56, 1,497,765.60 and 288,530.10
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Solution
The fourth proportional to 998,656.56, 1,497,765.60 and 288,530.10 is: 432,731.81
Step by Step Solution
- Step 1: Write the proportion equation
998,656.56 : 1,497,765.60 = 288,530.10 : x - Step 2: Convert to fraction form
998,656.56/1,497,765.60 = 288,530.10/x - Step 3: Cross multiply
998,656.56x = 1,497,765.60 × 288,530.10 - Step 4: Simplify right side
998,656.56x = 432,150,458,344.56 - Step 5: Solve for x
x = 432,150,458,344.56/998,656.56 - Step 6: Final answer
x = 432,731.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.