Finding the Fourth Proportional to 613,446.07, 846,536.34 and 355,328.06
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Solution
The fourth proportional to 613,446.07, 846,536.34 and 355,328.06 is: 490,341.58
Step by Step Solution
- Step 1: Write the proportion equation
613,446.07 : 846,536.34 = 355,328.06 : x - Step 2: Convert to fraction form
613,446.07/846,536.34 = 355,328.06/x - Step 3: Cross multiply
613,446.07x = 846,536.34 × 355,328.06 - Step 4: Simplify right side
613,446.07x = 300,798,114,892.38 - Step 5: Solve for x
x = 300,798,114,892.38/613,446.07 - Step 6: Final answer
x = 490,341.58
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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.