Finding the Fourth Proportional to 837,993.12, 1,156,555.05 and 493,718.97
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Solution
The fourth proportional to 837,993.12, 1,156,555.05 and 493,718.97 is: 681,405.56
Step by Step Solution
- Step 1: Write the proportion equation
837,993.12 : 1,156,555.05 = 493,718.97 : x - Step 2: Convert to fraction form
837,993.12/1,156,555.05 = 493,718.97/x - Step 3: Cross multiply
837,993.12x = 1,156,555.05 × 493,718.97 - Step 4: Simplify right side
837,993.12x = 571,013,168,034.30 - Step 5: Solve for x
x = 571,013,168,034.30/837,993.12 - Step 6: Final answer
x = 681,405.56
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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.