Finding the Fourth Proportional to 659,310.63, 909,849.14 and 357,504.63
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Solution
The fourth proportional to 659,310.63, 909,849.14 and 357,504.63 is: 493,356.64
Step by Step Solution
- Step 1: Write the proportion equation
659,310.63 : 909,849.14 = 357,504.63 : x - Step 2: Convert to fraction form
659,310.63/909,849.14 = 357,504.63/x - Step 3: Cross multiply
659,310.63x = 909,849.14 × 357,504.63 - Step 4: Simplify right side
659,310.63x = 325,275,280,151.52 - Step 5: Solve for x
x = 325,275,280,151.52/659,310.63 - Step 6: Final answer
x = 493,356.64
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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.