Finding the Fourth Proportional to 1,028,592.96, 1,543,135.77 and 429,220.70
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Solution
The fourth proportional to 1,028,592.96, 1,543,135.77 and 429,220.70 is: 643,933.84
Step by Step Solution
- Step 1: Write the proportion equation
1,028,592.96 : 1,543,135.77 = 429,220.70 : x - Step 2: Convert to fraction form
1,028,592.96/1,543,135.77 = 429,220.70/x - Step 3: Cross multiply
1,028,592.96x = 1,543,135.77 × 429,220.70 - Step 4: Simplify right side
1,028,592.96x = 662,345,815,394.44 - Step 5: Solve for x
x = 662,345,815,394.44/1,028,592.96 - Step 6: Final answer
x = 643,933.84
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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.