Finding the Fourth Proportional to 574,842.69, 793,307.39 and 320,193.99
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Solution
The fourth proportional to 574,842.69, 793,307.39 and 320,193.99 is: 441,881.34
Step by Step Solution
- Step 1: Write the proportion equation
574,842.69 : 793,307.39 = 320,193.99 : x - Step 2: Convert to fraction form
574,842.69/793,307.39 = 320,193.99/x - Step 3: Cross multiply
574,842.69x = 793,307.39 × 320,193.99 - Step 4: Simplify right side
574,842.69x = 254,012,256,899.62 - Step 5: Solve for x
x = 254,012,256,899.62/574,842.69 - Step 6: Final answer
x = 441,881.34
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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.