Finding the Fourth Proportional to 508,539.63, 762,809.34 and 396,303.81
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Solution
The fourth proportional to 508,539.63, 762,809.34 and 396,303.81 is: 594,455.63
Step by Step Solution
- Step 1: Write the proportion equation
508,539.63 : 762,809.34 = 396,303.81 : x - Step 2: Convert to fraction form
508,539.63/762,809.34 = 396,303.81/x - Step 3: Cross multiply
508,539.63x = 762,809.34 × 396,303.81 - Step 4: Simplify right side
508,539.63x = 302,304,247,745.59 - Step 5: Solve for x
x = 302,304,247,745.59/508,539.63 - Step 6: Final answer
x = 594,455.63
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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.