Finding the Fourth Proportional to 659,355.75, 909,910.94 and 357,549.99
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Solution
The fourth proportional to 659,355.75, 909,910.94 and 357,549.99 is: 493,418.99
Step by Step Solution
- Step 1: Write the proportion equation
659,355.75 : 909,910.94 = 357,549.99 : x - Step 2: Convert to fraction form
659,355.75/909,910.94 = 357,549.99/x - Step 3: Cross multiply
659,355.75x = 909,910.94 × 357,549.99 - Step 4: Simplify right side
659,355.75x = 325,338,645,710.14 - Step 5: Solve for x
x = 325,338,645,710.14/659,355.75 - Step 6: Final answer
x = 493,418.99
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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.