Finding the Fourth Proportional to 665,294.76, 918,109.62 and 363,495.24
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Solution
The fourth proportional to 665,294.76, 918,109.62 and 363,495.24 is: 501,624.99
Step by Step Solution
- Step 1: Write the proportion equation
665,294.76 : 918,109.62 = 363,495.24 : x - Step 2: Convert to fraction form
665,294.76/918,109.62 = 363,495.24/x - Step 3: Cross multiply
665,294.76x = 918,109.62 × 363,495.24 - Step 4: Simplify right side
665,294.76x = 333,728,476,668.21 - Step 5: Solve for x
x = 333,728,476,668.21/665,294.76 - Step 6: Final answer
x = 501,624.99
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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.