Finding the Fourth Proportional to 832,103.20, 1,246,405.20 and 692,135.20
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Solution
The fourth proportional to 832,103.20, 1,246,405.20 and 692,135.20 is: 1,036,747.50
Step by Step Solution
- Step 1: Write the proportion equation
832,103.20 : 1,246,405.20 = 692,135.20 : x - Step 2: Convert to fraction form
832,103.20/1,246,405.20 = 692,135.20/x - Step 3: Cross multiply
832,103.20x = 1,246,405.20 × 692,135.20 - Step 4: Simplify right side
832,103.20x = 862,680,912,383.04 - Step 5: Solve for x
x = 862,680,912,383.04/832,103.20 - Step 6: Final answer
x = 1,036,747.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.