Finding the Fourth Proportional to 864,806.36, 1,297,447.34 and 415,902.74
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Solution
The fourth proportional to 864,806.36, 1,297,447.34 and 415,902.74 is: 623,968.47
Step by Step Solution
- Step 1: Write the proportion equation
864,806.36 : 1,297,447.34 = 415,902.74 : x - Step 2: Convert to fraction form
864,806.36/1,297,447.34 = 415,902.74/x - Step 3: Cross multiply
864,806.36x = 1,297,447.34 × 415,902.74 - Step 4: Simplify right side
864,806.36x = 539,611,895,144.96 - Step 5: Solve for x
x = 539,611,895,144.96/864,806.36 - Step 6: Final answer
x = 623,968.47
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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.