Finding the Fourth Proportional to 1,555,347.20, 2,332,799.28 and 490,250.84
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Solution
The fourth proportional to 1,555,347.20, 2,332,799.28 and 490,250.84 is: 735,306.44
Step by Step Solution
- Step 1: Write the proportion equation
1,555,347.20 : 2,332,799.28 = 490,250.84 : x - Step 2: Convert to fraction form
1,555,347.20/2,332,799.28 = 490,250.84/x - Step 3: Cross multiply
1,555,347.20x = 2,332,799.28 × 490,250.84 - Step 4: Simplify right side
1,555,347.20x = 1,143,656,806,571.40 - Step 5: Solve for x
x = 1,143,656,806,571.40/1,555,347.20 - Step 6: Final answer
x = 735,306.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.