Finding the Fourth Proportional to 835,652.70, 1,252,998.36 and 445,678.02
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Solution
The fourth proportional to 835,652.70, 1,252,998.36 and 445,678.02 is: 668,260.66
Step by Step Solution
- Step 1: Write the proportion equation
835,652.70 : 1,252,998.36 = 445,678.02 : x - Step 2: Convert to fraction form
835,652.70/1,252,998.36 = 445,678.02/x - Step 3: Cross multiply
835,652.70x = 1,252,998.36 × 445,678.02 - Step 4: Simplify right side
835,652.70x = 558,433,828,148.05 - Step 5: Solve for x
x = 558,433,828,148.05/835,652.70 - Step 6: Final answer
x = 668,260.66
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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.