Finding the Fourth Proportional to 618,006.60, 926,135.10 and 542,773.80
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Solution
The fourth proportional to 618,006.60, 926,135.10 and 542,773.80 is: 813,392.39
Step by Step Solution
- Step 1: Write the proportion equation
618,006.60 : 926,135.10 = 542,773.80 : x - Step 2: Convert to fraction form
618,006.60/926,135.10 = 542,773.80/x - Step 3: Cross multiply
618,006.60x = 926,135.10 × 542,773.80 - Step 4: Simplify right side
618,006.60x = 502,681,867,540.38 - Step 5: Solve for x
x = 502,681,867,540.38/618,006.60 - Step 6: Final answer
x = 813,392.39
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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.