Finding the Fourth Proportional to 992,773.94, 1,488,865.05 and 361,540.13
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Solution
The fourth proportional to 992,773.94, 1,488,865.05 and 361,540.13 is: 542,202.45
Step by Step Solution
- Step 1: Write the proportion equation
992,773.94 : 1,488,865.05 = 361,540.13 : x - Step 2: Convert to fraction form
992,773.94/1,488,865.05 = 361,540.13/x - Step 3: Cross multiply
992,773.94x = 1,488,865.05 × 361,540.13 - Step 4: Simplify right side
992,773.94x = 538,284,456,285.13 - Step 5: Solve for x
x = 538,284,456,285.13/992,773.94 - Step 6: Final answer
x = 542,202.45
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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.