Finding the Fourth Proportional to 566,883.94, 782,299.80 and 312,235.12
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Solution
The fourth proportional to 566,883.94, 782,299.80 and 312,235.12 is: 430,884.45
Step by Step Solution
- Step 1: Write the proportion equation
566,883.94 : 782,299.80 = 312,235.12 : x - Step 2: Convert to fraction form
566,883.94/782,299.80 = 312,235.12/x - Step 3: Cross multiply
566,883.94x = 782,299.80 × 312,235.12 - Step 4: Simplify right side
566,883.94x = 244,261,471,928.98 - Step 5: Solve for x
x = 244,261,471,928.98/566,883.94 - Step 6: Final answer
x = 430,884.45
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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.