Finding the Fourth Proportional to 805,908.36, 1,112,191.14 and 466,310.92
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Solution
The fourth proportional to 805,908.36, 1,112,191.14 and 466,310.92 is: 643,530.83
Step by Step Solution
- Step 1: Write the proportion equation
805,908.36 : 1,112,191.14 = 466,310.92 : x - Step 2: Convert to fraction form
805,908.36/1,112,191.14 = 466,310.92/x - Step 3: Cross multiply
805,908.36x = 1,112,191.14 × 466,310.92 - Step 4: Simplify right side
805,908.36x = 518,626,873,709.25 - Step 5: Solve for x
x = 518,626,873,709.25/805,908.36 - Step 6: Final answer
x = 643,530.83
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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.