Finding the Fourth Proportional to 679,506.15, 1,019,259.41 and 199,733.97
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Solution
The fourth proportional to 679,506.15, 1,019,259.41 and 199,733.97 is: 299,601.01
Step by Step Solution
- Step 1: Write the proportion equation
679,506.15 : 1,019,259.41 = 199,733.97 : x - Step 2: Convert to fraction form
679,506.15/1,019,259.41 = 199,733.97/x - Step 3: Cross multiply
679,506.15x = 1,019,259.41 × 199,733.97 - Step 4: Simplify right side
679,506.15x = 203,580,727,420.49 - Step 5: Solve for x
x = 203,580,727,420.49/679,506.15 - Step 6: Final answer
x = 299,601.01
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1.5x scale
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.