Finding the Fourth Proportional to 476,816.36, 715,398.98 and 448,647.80
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Solution
The fourth proportional to 476,816.36, 715,398.98 and 448,647.80 is: 673,135.83
Step by Step Solution
- Step 1: Write the proportion equation
476,816.36 : 715,398.98 = 448,647.80 : x - Step 2: Convert to fraction form
476,816.36/715,398.98 = 448,647.80/x - Step 3: Cross multiply
476,816.36x = 715,398.98 × 448,647.80 - Step 4: Simplify right side
476,816.36x = 320,962,178,499.24 - Step 5: Solve for x
x = 320,962,178,499.24/476,816.36 - Step 6: Final answer
x = 673,135.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.