Finding the Fourth Proportional to 807,444, 1,114,272.74 and 468,109.08
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Solution
The fourth proportional to 807,444, 1,114,272.74 and 468,109.08 is: 645,990.54
Step by Step Solution
- Step 1: Write the proportion equation
807,444 : 1,114,272.74 = 468,109.08 : x - Step 2: Convert to fraction form
807,444/1,114,272.74 = 468,109.08/x - Step 3: Cross multiply
807,444x = 1,114,272.74 × 468,109.08 - Step 4: Simplify right side
807,444x = 521,601,187,190.48 - Step 5: Solve for x
x = 521,601,187,190.48/807,444 - Step 6: Final answer
x = 645,990.54
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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.