Finding the Fourth Proportional to 916,338.99, 1,373,322.89 and 511,521.19
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Solution
The fourth proportional to 916,338.99, 1,373,322.89 and 511,521.19 is: 766,619.96
Step by Step Solution
- Step 1: Write the proportion equation
916,338.99 : 1,373,322.89 = 511,521.19 : x - Step 2: Convert to fraction form
916,338.99/1,373,322.89 = 511,521.19/x - Step 3: Cross multiply
916,338.99x = 1,373,322.89 × 511,521.19 - Step 4: Simplify right side
916,338.99x = 702,483,758,004.43 - Step 5: Solve for x
x = 702,483,758,004.43/916,338.99 - Step 6: Final answer
x = 766,619.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.