Finding the Fourth Proportional to 536,323.40, 804,780.60 and 326,108.96
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Solution
The fourth proportional to 536,323.40, 804,780.60 and 326,108.96 is: 489,343.12
Step by Step Solution
- Step 1: Write the proportion equation
536,323.40 : 804,780.60 = 326,108.96 : x - Step 2: Convert to fraction form
536,323.40/804,780.60 = 326,108.96/x - Step 3: Cross multiply
536,323.40x = 804,780.60 × 326,108.96 - Step 4: Simplify right side
536,323.40x = 262,446,164,494.18 - Step 5: Solve for x
x = 262,446,164,494.18/536,323.40 - Step 6: Final answer
x = 489,343.12
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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.