Finding the Fourth Proportional to 1,490,629.63, 2,235,473.79 and 479,526.16
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Solution
The fourth proportional to 1,490,629.63, 2,235,473.79 and 479,526.16 is: 719,137.83
Step by Step Solution
- Step 1: Write the proportion equation
1,490,629.63 : 2,235,473.79 = 479,526.16 : x - Step 2: Convert to fraction form
1,490,629.63/2,235,473.79 = 479,526.16/x - Step 3: Cross multiply
1,490,629.63x = 2,235,473.79 × 479,526.16 - Step 4: Simplify right side
1,490,629.63x = 1,071,968,162,299.35 - Step 5: Solve for x
x = 1,071,968,162,299.35/1,490,629.63 - Step 6: Final answer
x = 719,137.83
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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.