Finding the Fourth Proportional to 665,140.12, 917,891.94 and 363,334.12
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Solution
The fourth proportional to 665,140.12, 917,891.94 and 363,334.12 is: 501,400.31
Step by Step Solution
- Step 1: Write the proportion equation
665,140.12 : 917,891.94 = 363,334.12 : x - Step 2: Convert to fraction form
665,140.12/917,891.94 = 363,334.12/x - Step 3: Cross multiply
665,140.12x = 917,891.94 × 363,334.12 - Step 4: Simplify right side
665,140.12x = 333,501,460,274.99 - Step 5: Solve for x
x = 333,501,460,274.99/665,140.12 - Step 6: Final answer
x = 501,400.31
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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.