Finding the Fourth Proportional to 1,228,458.39, 1,842,950 and 429,765.99
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Solution
The fourth proportional to 1,228,458.39, 1,842,950 and 429,765.99 is: 644,740.79
Step by Step Solution
- Step 1: Write the proportion equation
1,228,458.39 : 1,842,950 = 429,765.99 : x - Step 2: Convert to fraction form
1,228,458.39/1,842,950 = 429,765.99/x - Step 3: Cross multiply
1,228,458.39x = 1,842,950 × 429,765.99 - Step 4: Simplify right side
1,228,458.39x = 792,037,231,270.50 - Step 5: Solve for x
x = 792,037,231,270.50/1,228,458.39 - Step 6: Final answer
x = 644,740.79
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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.