Finding the Fourth Proportional to 833,246.40, 1,246,710.60 and 553,310.40
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Solution
The fourth proportional to 833,246.40, 1,246,710.60 and 553,310.40 is: 827,867.89
Step by Step Solution
- Step 1: Write the proportion equation
833,246.40 : 1,246,710.60 = 553,310.40 : x - Step 2: Convert to fraction form
833,246.40/1,246,710.60 = 553,310.40/x - Step 3: Cross multiply
833,246.40x = 1,246,710.60 × 553,310.40 - Step 4: Simplify right side
833,246.40x = 689,817,940,770.24 - Step 5: Solve for x
x = 689,817,940,770.24/833,246.40 - Step 6: Final answer
x = 827,867.89
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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.