Finding the Fourth Proportional to 741,738.45, 1,023,593.92 and 402,206.70
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Solution
The fourth proportional to 741,738.45, 1,023,593.92 and 402,206.70 is: 555,042.46
Step by Step Solution
- Step 1: Write the proportion equation
741,738.45 : 1,023,593.92 = 402,206.70 : x - Step 2: Convert to fraction form
741,738.45/1,023,593.92 = 402,206.70/x - Step 3: Cross multiply
741,738.45x = 1,023,593.92 × 402,206.70 - Step 4: Simplify right side
741,738.45x = 411,696,332,703.26 - Step 5: Solve for x
x = 411,696,332,703.26/741,738.45 - Step 6: Final answer
x = 555,042.46
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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.