Finding the Fourth Proportional to 691,201.54, 953,862.44 and 385,297.35
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Solution
The fourth proportional to 691,201.54, 953,862.44 and 385,297.35 is: 531,712.75
Step by Step Solution
- Step 1: Write the proportion equation
691,201.54 : 953,862.44 = 385,297.35 : x - Step 2: Convert to fraction form
691,201.54/953,862.44 = 385,297.35/x - Step 3: Cross multiply
691,201.54x = 953,862.44 × 385,297.35 - Step 4: Simplify right side
691,201.54x = 367,520,670,396.53 - Step 5: Solve for x
x = 367,520,670,396.53/691,201.54 - Step 6: Final answer
x = 531,712.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.