Finding the Fourth Proportional to 659,365.68, 988,237.80 and 303,886.32
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Solution
The fourth proportional to 659,365.68, 988,237.80 and 303,886.32 is: 455,455.84
Step by Step Solution
- Step 1: Write the proportion equation
659,365.68 : 988,237.80 = 303,886.32 : x - Step 2: Convert to fraction form
659,365.68/988,237.80 = 303,886.32/x - Step 3: Cross multiply
659,365.68x = 988,237.80 × 303,886.32 - Step 4: Simplify right side
659,365.68x = 300,311,948,326.90 - Step 5: Solve for x
x = 300,311,948,326.90/659,365.68 - Step 6: Final answer
x = 455,455.84
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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.