Finding the Fourth Proportional to 508,576.13, 701,867.93 and 282,221.63
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Solution
The fourth proportional to 508,576.13, 701,867.93 and 282,221.63 is: 389,484.08
Step by Step Solution
- Step 1: Write the proportion equation
508,576.13 : 701,867.93 = 282,221.63 : x - Step 2: Convert to fraction form
508,576.13/701,867.93 = 282,221.63/x - Step 3: Cross multiply
508,576.13x = 701,867.93 × 282,221.63 - Step 4: Simplify right side
508,576.13x = 198,082,306,328.88 - Step 5: Solve for x
x = 198,082,306,328.88/508,576.13 - Step 6: Final answer
x = 389,484.08
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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.