Finding the Fourth Proportional to 930,513.75, 1,395,777.98 and 509,559.99
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Solution
The fourth proportional to 930,513.75, 1,395,777.98 and 509,559.99 is: 764,344.01
Step by Step Solution
- Step 1: Write the proportion equation
930,513.75 : 1,395,777.98 = 509,559.99 : x - Step 2: Convert to fraction form
930,513.75/1,395,777.98 = 509,559.99/x - Step 3: Cross multiply
930,513.75x = 1,395,777.98 × 509,559.99 - Step 4: Simplify right side
930,513.75x = 711,232,613,531.02 - Step 5: Solve for x
x = 711,232,613,531.02/930,513.75 - Step 6: Final answer
x = 764,344.01
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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.