Finding the Fourth Proportional to 703,355.20, 970,628.88 and 381,073.48
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Solution
The fourth proportional to 703,355.20, 970,628.88 and 381,073.48 is: 525,880.70
Step by Step Solution
- Step 1: Write the proportion equation
703,355.20 : 970,628.88 = 381,073.48 : x - Step 2: Convert to fraction form
703,355.20/970,628.88 = 381,073.48/x - Step 3: Cross multiply
703,355.20x = 970,628.88 × 381,073.48 - Step 4: Simplify right side
703,355.20x = 369,880,925,090.10 - Step 5: Solve for x
x = 369,880,925,090.10/703,355.20 - Step 6: Final answer
x = 525,880.70
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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.