Finding the Fourth Proportional to 894,639.40, 1,340,580.86 and 414,571
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Solution
The fourth proportional to 894,639.40, 1,340,580.86 and 414,571 is: 621,217.83
Step by Step Solution
- Step 1: Write the proportion equation
894,639.40 : 1,340,580.86 = 414,571 : x - Step 2: Convert to fraction form
894,639.40/1,340,580.86 = 414,571/x - Step 3: Cross multiply
894,639.40x = 1,340,580.86 × 414,571 - Step 4: Simplify right side
894,639.40x = 555,765,947,711.06 - Step 5: Solve for x
x = 555,765,947,711.06/894,639.40 - Step 6: Final answer
x = 621,217.83
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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.