Finding the Fourth Proportional to 1,228,478.37, 1,842,979.97 and 429,785.97
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Solution
The fourth proportional to 1,228,478.37, 1,842,979.97 and 429,785.97 is: 644,770.76
Step by Step Solution
- Step 1: Write the proportion equation
1,228,478.37 : 1,842,979.97 = 429,785.97 : x - Step 2: Convert to fraction form
1,228,478.37/1,842,979.97 = 429,785.97/x - Step 3: Cross multiply
1,228,478.37x = 1,842,979.97 × 429,785.97 - Step 4: Simplify right side
1,228,478.37x = 792,086,931,948.09 - Step 5: Solve for x
x = 792,086,931,948.09/1,228,478.37 - Step 6: Final answer
x = 644,770.76
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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.