Finding the Fourth Proportional to 569,716.40, 854,574.60 and 368,949.80
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Solution
The fourth proportional to 569,716.40, 854,574.60 and 368,949.80 is: 553,424.70
Step by Step Solution
- Step 1: Write the proportion equation
569,716.40 : 854,574.60 = 368,949.80 : x - Step 2: Convert to fraction form
569,716.40/854,574.60 = 368,949.80/x - Step 3: Cross multiply
569,716.40x = 854,574.60 × 368,949.80 - Step 4: Simplify right side
569,716.40x = 315,295,127,755.08 - Step 5: Solve for x
x = 315,295,127,755.08/569,716.40 - Step 6: Final answer
x = 553,424.70
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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.