Finding the Fourth Proportional to 803,107.28, 1,108,102.20 and 480,694.88
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Solution
The fourth proportional to 803,107.28, 1,108,102.20 and 480,694.88 is: 663,247.70
Step by Step Solution
- Step 1: Write the proportion equation
803,107.28 : 1,108,102.20 = 480,694.88 : x - Step 2: Convert to fraction form
803,107.28/1,108,102.20 = 480,694.88/x - Step 3: Cross multiply
803,107.28x = 1,108,102.20 × 480,694.88 - Step 4: Simplify right side
803,107.28x = 532,659,054,056.74 - Step 5: Solve for x
x = 532,659,054,056.74/803,107.28 - Step 6: Final answer
x = 663,247.70
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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.