Finding the Fourth Proportional to 807,225.09, 1,113,965.44 and 444,640.53
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Solution
The fourth proportional to 807,225.09, 1,113,965.44 and 444,640.53 is: 613,601.08
Step by Step Solution
- Step 1: Write the proportion equation
807,225.09 : 1,113,965.44 = 444,640.53 : x - Step 2: Convert to fraction form
807,225.09/1,113,965.44 = 444,640.53/x - Step 3: Cross multiply
807,225.09x = 1,113,965.44 × 444,640.53 - Step 4: Simplify right side
807,225.09x = 495,314,186,709.05 - Step 5: Solve for x
x = 495,314,186,709.05/807,225.09 - Step 6: Final answer
x = 613,601.08
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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.