Finding the Fourth Proportional to 943,229.05, 1,301,615.25 and 513,510.68
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Solution
The fourth proportional to 943,229.05, 1,301,615.25 and 513,510.68 is: 708,622.50
Step by Step Solution
- Step 1: Write the proportion equation
943,229.05 : 1,301,615.25 = 513,510.68 : x - Step 2: Convert to fraction form
943,229.05/1,301,615.25 = 513,510.68/x - Step 3: Cross multiply
943,229.05x = 1,301,615.25 × 513,510.68 - Step 4: Simplify right side
943,229.05x = 668,393,332,125.87 - Step 5: Solve for x
x = 668,393,332,125.87/943,229.05 - Step 6: Final answer
x = 708,622.50
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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.