Finding the Fourth Proportional to 508,533.63, 762,800.36 and 396,297.80
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Solution
The fourth proportional to 508,533.63, 762,800.36 and 396,297.80 is: 594,446.63
Step by Step Solution
- Step 1: Write the proportion equation
508,533.63 : 762,800.36 = 396,297.80 : x - Step 2: Convert to fraction form
508,533.63/762,800.36 = 396,297.80/x - Step 3: Cross multiply
508,533.63x = 762,800.36 × 396,297.80 - Step 4: Simplify right side
508,533.63x = 302,296,101,572.22 - Step 5: Solve for x
x = 302,296,101,572.22/508,533.63 - Step 6: Final answer
x = 594,446.63
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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.