Finding the Fourth Proportional to 703,352.20, 970,624.74 and 381,070.30
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Solution
The fourth proportional to 703,352.20, 970,624.74 and 381,070.30 is: 525,876.31
Step by Step Solution
- Step 1: Write the proportion equation
703,352.20 : 970,624.74 = 381,070.30 : x - Step 2: Convert to fraction form
703,352.20/970,624.74 = 381,070.30/x - Step 3: Cross multiply
703,352.20x = 970,624.74 × 381,070.30 - Step 4: Simplify right side
703,352.20x = 369,876,260,859.22 - Step 5: Solve for x
x = 369,876,260,859.22/703,352.20 - Step 6: Final answer
x = 525,876.31
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1.5x scale
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.