Finding the Fourth Proportional to 512,206.99, 706,841.69 and 282,764.60
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Solution
The fourth proportional to 512,206.99, 706,841.69 and 282,764.60 is: 390,212.96
Step by Step Solution
- Step 1: Write the proportion equation
512,206.99 : 706,841.69 = 282,764.60 : x - Step 2: Convert to fraction form
512,206.99/706,841.69 = 282,764.60/x - Step 3: Cross multiply
512,206.99x = 706,841.69 × 282,764.60 - Step 4: Simplify right side
512,206.99x = 199,869,805,041.36 - Step 5: Solve for x
x = 199,869,805,041.36/512,206.99 - Step 6: Final answer
x = 390,212.96
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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.