Finding the Fourth Proportional to 659,343.96, 909,900.36 and 357,537.96
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Solution
The fourth proportional to 659,343.96, 909,900.36 and 357,537.96 is: 493,405.47
Step by Step Solution
- Step 1: Write the proportion equation
659,343.96 : 909,900.36 = 357,537.96 : x - Step 2: Convert to fraction form
659,343.96/909,900.36 = 357,537.96/x - Step 3: Cross multiply
659,343.96x = 909,900.36 × 357,537.96 - Step 4: Simplify right side
659,343.96x = 325,323,918,517.67 - Step 5: Solve for x
x = 325,323,918,517.67/659,343.96 - Step 6: Final answer
x = 493,405.47
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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.