Finding the Fourth Proportional to 752,347.29, 1,128,606.54 and 272,800.97
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Solution
The fourth proportional to 752,347.29, 1,128,606.54 and 272,800.97 is: 409,232.50
Step by Step Solution
- Step 1: Write the proportion equation
752,347.29 : 1,128,606.54 = 272,800.97 : x - Step 2: Convert to fraction form
752,347.29/1,128,606.54 = 272,800.97/x - Step 3: Cross multiply
752,347.29x = 1,128,606.54 × 272,800.97 - Step 4: Simplify right side
752,347.29x = 307,884,958,860.34 - Step 5: Solve for x
x = 307,884,958,860.34/752,347.29 - Step 6: Final answer
x = 409,232.50
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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.