Finding the Fourth Proportional to 825,764.24, 1,139,134.56 and 539,451.92
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Solution
The fourth proportional to 825,764.24, 1,139,134.56 and 539,451.92 is: 744,169.21
Step by Step Solution
- Step 1: Write the proportion equation
825,764.24 : 1,139,134.56 = 539,451.92 : x - Step 2: Convert to fraction form
825,764.24/1,139,134.56 = 539,451.92/x - Step 3: Cross multiply
825,764.24x = 1,139,134.56 × 539,451.92 - Step 4: Simplify right side
825,764.24x = 614,508,325,530.36 - Step 5: Solve for x
x = 614,508,325,530.36/825,764.24 - Step 6: Final answer
x = 744,169.21
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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.