Finding the Fourth Proportional to 855,887.94, 1,283,830.56 and 256,847.94
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Solution
The fourth proportional to 855,887.94, 1,283,830.56 and 256,847.94 is: 385,271.50
Step by Step Solution
- Step 1: Write the proportion equation
855,887.94 : 1,283,830.56 = 256,847.94 : x - Step 2: Convert to fraction form
855,887.94/1,283,830.56 = 256,847.94/x - Step 3: Cross multiply
855,887.94x = 1,283,830.56 × 256,847.94 - Step 4: Simplify right side
855,887.94x = 329,749,234,645.05 - Step 5: Solve for x
x = 329,749,234,645.05/855,887.94 - Step 6: Final answer
x = 385,271.50
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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.