Finding the Fourth Proportional to 807,888.44, 1,114,950.30 and 445,377.08
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Solution
The fourth proportional to 807,888.44, 1,114,950.30 and 445,377.08 is: 614,655.79
Step by Step Solution
- Step 1: Write the proportion equation
807,888.44 : 1,114,950.30 = 445,377.08 : x - Step 2: Convert to fraction form
807,888.44/1,114,950.30 = 445,377.08/x - Step 3: Cross multiply
807,888.44x = 1,114,950.30 × 445,377.08 - Step 4: Simplify right side
807,888.44x = 496,573,308,959.12 - Step 5: Solve for x
x = 496,573,308,959.12/807,888.44 - Step 6: Final answer
x = 614,655.79
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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.