Finding the Fourth Proportional to 833,201.40, 1,246,643.10 and 553,265.40
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Solution
The fourth proportional to 833,201.40, 1,246,643.10 and 553,265.40 is: 827,800.45
Step by Step Solution
- Step 1: Write the proportion equation
833,201.40 : 1,246,643.10 = 553,265.40 : x - Step 2: Convert to fraction form
833,201.40/1,246,643.10 = 553,265.40/x - Step 3: Cross multiply
833,201.40x = 1,246,643.10 × 553,265.40 - Step 4: Simplify right side
833,201.40x = 689,724,493,378.74 - Step 5: Solve for x
x = 689,724,493,378.74/833,201.40 - Step 6: Final answer
x = 827,800.45
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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.