Finding the Fourth Proportional to 1,752,385.78, 2,628,739.05 and 490,209.76
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Solution
The fourth proportional to 1,752,385.78, 2,628,739.05 and 490,209.76 is: 735,359.50
Step by Step Solution
- Step 1: Write the proportion equation
1,752,385.78 : 2,628,739.05 = 490,209.76 : x - Step 2: Convert to fraction form
1,752,385.78/2,628,739.05 = 490,209.76/x - Step 3: Cross multiply
1,752,385.78x = 2,628,739.05 × 490,209.76 - Step 4: Simplify right side
1,752,385.78x = 1,288,633,538,803.13 - Step 5: Solve for x
x = 1,288,633,538,803.13/1,752,385.78 - Step 6: Final answer
x = 735,359.50
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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.