Finding the Fourth Proportional to 807,887.44, 1,114,948.92 and 445,376.08
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Solution
The fourth proportional to 807,887.44, 1,114,948.92 and 445,376.08 is: 614,654.41
Step by Step Solution
- Step 1: Write the proportion equation
807,887.44 : 1,114,948.92 = 445,376.08 : x - Step 2: Convert to fraction form
807,887.44/1,114,948.92 = 445,376.08/x - Step 3: Cross multiply
807,887.44x = 1,114,948.92 × 445,376.08 - Step 4: Simplify right side
807,887.44x = 496,571,579,389.83 - Step 5: Solve for x
x = 496,571,579,389.83/807,887.44 - Step 6: Final answer
x = 614,654.41
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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.