Finding the Fourth Proportional to 566,890.44, 782,308.79 and 312,241.63
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Solution
The fourth proportional to 566,890.44, 782,308.79 and 312,241.63 is: 430,893.43
Step by Step Solution
- Step 1: Write the proportion equation
566,890.44 : 782,308.79 = 312,241.63 : x - Step 2: Convert to fraction form
566,890.44/782,308.79 = 312,241.63/x - Step 3: Cross multiply
566,890.44x = 782,308.79 × 312,241.63 - Step 4: Simplify right side
566,890.44x = 244,269,366,280.18 - Step 5: Solve for x
x = 244,269,366,280.18/566,890.44 - Step 6: Final answer
x = 430,893.43
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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.