Finding the Fourth Proportional to 642,233.24, 963,947.66 and 326,926.12
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Solution
The fourth proportional to 642,233.24, 963,947.66 and 326,926.12 is: 490,693.49
Step by Step Solution
- Step 1: Write the proportion equation
642,233.24 : 963,947.66 = 326,926.12 : x - Step 2: Convert to fraction form
642,233.24/963,947.66 = 326,926.12/x - Step 3: Cross multiply
642,233.24x = 963,947.66 × 326,926.12 - Step 4: Simplify right side
642,233.24x = 315,139,668,366.88 - Step 5: Solve for x
x = 315,139,668,366.88/642,233.24 - Step 6: Final answer
x = 490,693.49
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1.5x scale
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.