Finding the Fourth Proportional to 805,120.32, 1,112,199.84 and 762,605.04
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Solution
The fourth proportional to 805,120.32, 1,112,199.84 and 762,605.04 is: 1,053,468.88
Step by Step Solution
- Step 1: Write the proportion equation
805,120.32 : 1,112,199.84 = 762,605.04 : x - Step 2: Convert to fraction form
805,120.32/1,112,199.84 = 762,605.04/x - Step 3: Cross multiply
805,120.32x = 1,112,199.84 × 762,605.04 - Step 4: Simplify right side
805,120.32x = 848,169,203,471.19 - Step 5: Solve for x
x = 848,169,203,471.19/805,120.32 - Step 6: Final answer
x = 1,053,468.88
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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.